20247948800

素因数分解:

$2^9\times 5^2\times {\mathrm{23}}^1\times {\mathrm{68777}}^1$

素因数の和:68828

約数の個数: 120

約数和(自身を含む): 52347761136

約数和(自身を除く): 32099812336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 256, 320, 368, 400, 460, 512, 575, 640, 736, 800, 920, 1150, 1280, 1472, 1600, 1840, 2300, 2560, 2944, 3200, 3680, 4600, 5888, 6400, 7360, 9200, 11776, 12800, 14720, 18400, 29440, 36800, 58880, 68777, 73600, 137554, 147200, 275108, 294400, 343885, 550216, 687770, 1100432, 1375540, 1581871, 1719425, 2200864, 2751080, 3163742, 3438850, 4401728, 5502160, 6327484, 6877700, 7909355, 8803456, 11004320, 12654968, 13755400, 15818710, 17606912, 22008640, 25309936, 27510800, 31637420, 35213824, 39546775, 44017280, 50619872, 55021600, 63274840, 79093550, 88034560, 101239744, 110043200, 126549680, 158187100, 176069120, 202479488, 220086400, 253099360, 316374200, 404958976, 440172800, 506198720, 632748400, 809917952, 880345600, 1012397440, 1265496800, 2024794880, 2530993600, 4049589760, 5061987200, 10123974400, 20247948800]

約数ペア:

[(1, 20247948800), (2, 10123974400), (4, 5061987200), (5, 4049589760), (8, 2530993600), (10, 2024794880), (16, 1265496800), (20, 1012397440), (23, 880345600), (25, 809917952), (32, 632748400), (40, 506198720), (46, 440172800), (50, 404958976), (64, 316374200), (80, 253099360), (92, 220086400), (100, 202479488), (115, 176069120), (128, 158187100), (160, 126549680), (184, 110043200), (200, 101239744), (230, 88034560), (256, 79093550), (320, 63274840), (368, 55021600), (400, 50619872), (460, 44017280), (512, 39546775), (575, 35213824), (640, 31637420), (736, 27510800), (800, 25309936), (920, 22008640), (1150, 17606912), (1280, 15818710), (1472, 13755400), (1600, 12654968), (1840, 11004320), (2300, 8803456), (2560, 7909355), (2944, 6877700), (3200, 6327484), (3680, 5502160), (4600, 4401728), (5888, 3438850), (6400, 3163742), (7360, 2751080), (9200, 2200864), (11776, 1719425), (12800, 1581871), (14720, 1375540), (18400, 1100432), (29440, 687770), (36800, 550216), (58880, 343885), (68777, 294400), (73600, 275108), (137554, 147200)]