20348876800

素因数分解:

$2^{11}\times 5^2\times 7^2\times {\mathrm{8111}}^1$

素因数の和:8157

約数の個数: 216

約数和(自身を含む): 58697336880

約数和(自身を除く): 38348460080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 256, 280, 320, 350, 392, 400, 448, 490, 512, 560, 640, 700, 784, 800, 896, 980, 1024, 1120, 1225, 1280, 1400, 1568, 1600, 1792, 1960, 2048, 2240, 2450, 2560, 2800, 3136, 3200, 3584, 3920, 4480, 4900, 5120, 5600, 6272, 6400, 7168, 7840, 8111, 8960, 9800, 10240, 11200, 12544, 12800, 14336, 15680, 16222, 17920, 19600, 22400, 25088, 25600, 31360, 32444, 35840, 39200, 40555, 44800, 50176, 51200, 56777, 62720, 64888, 71680, 78400, 81110, 89600, 100352, 113554, 125440, 129776, 156800, 162220, 179200, 202775, 227108, 250880, 259552, 283885, 313600, 324440, 358400, 397439, 405550, 454216, 501760, 519104, 567770, 627200, 648880, 794878, 811100, 908432, 1038208, 1135540, 1254400, 1297760, 1419425, 1589756, 1622200, 1816864, 1987195, 2076416, 2271080, 2508800, 2595520, 2838850, 3179512, 3244400, 3633728, 3974390, 4152832, 4542160, 5191040, 5677700, 6359024, 6488800, 7267456, 7948780, 8305664, 9084320, 9935975, 10382080, 11355400, 12718048, 12977600, 14534912, 15897560, 16611328, 18168640, 19871950, 20764160, 22710800, 25436096, 25955200, 29069824, 31795120, 36337280, 39743900, 41528320, 45421600, 50872192, 51910400, 58139648, 63590240, 72674560, 79487800, 83056640, 90843200, 101744384, 103820800, 116279296, 127180480, 145349120, 158975600, 181686400, 203488768, 207641600, 254360960, 290698240, 317951200, 363372800, 406977536, 415283200, 508721920, 581396480, 635902400, 726745600, 813955072, 1017443840, 1271804800, 1453491200, 2034887680, 2543609600, 2906982400, 4069775360, 5087219200, 10174438400, 20348876800]

約数ペア:

[(1, 20348876800), (2, 10174438400), (4, 5087219200), (5, 4069775360), (7, 2906982400), (8, 2543609600), (10, 2034887680), (14, 1453491200), (16, 1271804800), (20, 1017443840), (25, 813955072), (28, 726745600), (32, 635902400), (35, 581396480), (40, 508721920), (49, 415283200), (50, 406977536), (56, 363372800), (64, 317951200), (70, 290698240), (80, 254360960), (98, 207641600), (100, 203488768), (112, 181686400), (128, 158975600), (140, 145349120), (160, 127180480), (175, 116279296), (196, 103820800), (200, 101744384), (224, 90843200), (245, 83056640), (256, 79487800), (280, 72674560), (320, 63590240), (350, 58139648), (392, 51910400), (400, 50872192), (448, 45421600), (490, 41528320), (512, 39743900), (560, 36337280), (640, 31795120), (700, 29069824), (784, 25955200), (800, 25436096), (896, 22710800), (980, 20764160), (1024, 19871950), (1120, 18168640), (1225, 16611328), (1280, 15897560), (1400, 14534912), (1568, 12977600), (1600, 12718048), (1792, 11355400), (1960, 10382080), (2048, 9935975), (2240, 9084320), (2450, 8305664), (2560, 7948780), (2800, 7267456), (3136, 6488800), (3200, 6359024), (3584, 5677700), (3920, 5191040), (4480, 4542160), (4900, 4152832), (5120, 3974390), (5600, 3633728), (6272, 3244400), (6400, 3179512), (7168, 2838850), (7840, 2595520), (8111, 2508800), (8960, 2271080), (9800, 2076416), (10240, 1987195), (11200, 1816864), (12544, 1622200), (12800, 1589756), (14336, 1419425), (15680, 1297760), (16222, 1254400), (17920, 1135540), (19600, 1038208), (22400, 908432), (25088, 811100), (25600, 794878), (31360, 648880), (32444, 627200), (35840, 567770), (39200, 519104), (40555, 501760), (44800, 454216), (50176, 405550), (51200, 397439), (56777, 358400), (62720, 324440), (64888, 313600), (71680, 283885), (78400, 259552), (81110, 250880), (89600, 227108), (100352, 202775), (113554, 179200), (125440, 162220), (129776, 156800)]