20099177600

素因数分解:

$2^7\times 5^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:855

約数の個数: 192

約数和(自身を含む): 50775396000

約数和(自身を除く): 30676218400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 73, 80, 100, 128, 139, 146, 160, 200, 278, 292, 320, 365, 400, 556, 584, 619, 640, 695, 730, 800, 1112, 1168, 1238, 1390, 1460, 1600, 1825, 2224, 2336, 2476, 2780, 2920, 3095, 3200, 3475, 3650, 4448, 4672, 4952, 5560, 5840, 6190, 6950, 7300, 8896, 9344, 9904, 10147, 11120, 11680, 12380, 13900, 14600, 15475, 17792, 19808, 20294, 22240, 23360, 24760, 27800, 29200, 30950, 39616, 40588, 44480, 45187, 46720, 49520, 50735, 55600, 58400, 61900, 79232, 81176, 86041, 88960, 90374, 99040, 101470, 111200, 116800, 123800, 162352, 172082, 180748, 198080, 202940, 222400, 225935, 233600, 247600, 253675, 324704, 344164, 361496, 396160, 405880, 430205, 444800, 451870, 495200, 507350, 649408, 688328, 722992, 811760, 860410, 903740, 990400, 1014700, 1129675, 1298816, 1376656, 1445984, 1623520, 1720820, 1807480, 1980800, 2029400, 2151025, 2259350, 2753312, 2891968, 3247040, 3441640, 3614960, 4058800, 4302050, 4518700, 5506624, 5783936, 6280993, 6494080, 6883280, 7229920, 8117600, 8604100, 9037400, 11013248, 12561986, 13766560, 14459840, 16235200, 17208200, 18074800, 25123972, 27533120, 28919680, 31404965, 32470400, 34416400, 36149600, 50247944, 55066240, 62809930, 68832800, 72299200, 100495888, 125619860, 137665600, 144598400, 157024825, 200991776, 251239720, 275331200, 314049650, 401983552, 502479440, 628099300, 803967104, 1004958880, 1256198600, 2009917760, 2512397200, 4019835520, 5024794400, 10049588800, 20099177600]

約数ペア:

[(1, 20099177600), (2, 10049588800), (4, 5024794400), (5, 4019835520), (8, 2512397200), (10, 2009917760), (16, 1256198600), (20, 1004958880), (25, 803967104), (32, 628099300), (40, 502479440), (50, 401983552), (64, 314049650), (73, 275331200), (80, 251239720), (100, 200991776), (128, 157024825), (139, 144598400), (146, 137665600), (160, 125619860), (200, 100495888), (278, 72299200), (292, 68832800), (320, 62809930), (365, 55066240), (400, 50247944), (556, 36149600), (584, 34416400), (619, 32470400), (640, 31404965), (695, 28919680), (730, 27533120), (800, 25123972), (1112, 18074800), (1168, 17208200), (1238, 16235200), (1390, 14459840), (1460, 13766560), (1600, 12561986), (1825, 11013248), (2224, 9037400), (2336, 8604100), (2476, 8117600), (2780, 7229920), (2920, 6883280), (3095, 6494080), (3200, 6280993), (3475, 5783936), (3650, 5506624), (4448, 4518700), (4672, 4302050), (4952, 4058800), (5560, 3614960), (5840, 3441640), (6190, 3247040), (6950, 2891968), (7300, 2753312), (8896, 2259350), (9344, 2151025), (9904, 2029400), (10147, 1980800), (11120, 1807480), (11680, 1720820), (12380, 1623520), (13900, 1445984), (14600, 1376656), (15475, 1298816), (17792, 1129675), (19808, 1014700), (20294, 990400), (22240, 903740), (23360, 860410), (24760, 811760), (27800, 722992), (29200, 688328), (30950, 649408), (39616, 507350), (40588, 495200), (44480, 451870), (45187, 444800), (46720, 430205), (49520, 405880), (50735, 396160), (55600, 361496), (58400, 344164), (61900, 324704), (79232, 253675), (81176, 247600), (86041, 233600), (88960, 225935), (90374, 222400), (99040, 202940), (101470, 198080), (111200, 180748), (116800, 172082), (123800, 162352)]