86555988280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{278029}}^1$

素因数の和:278264

約数の個数: 64

約数和(自身を含む): 200381781600

約数和(自身を除く): 113825793320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 181, 215, 344, 362, 430, 724, 860, 905, 1448, 1720, 1810, 3620, 7240, 7783, 15566, 31132, 38915, 62264, 77830, 155660, 278029, 311320, 556058, 1112116, 1390145, 2224232, 2780290, 5560580, 11121160, 11955247, 23910494, 47820988, 50323249, 59776235, 95641976, 100646498, 119552470, 201292996, 239104940, 251616245, 402585992, 478209880, 503232490, 1006464980, 2012929960, 2163899707, 4327799414, 8655598828, 10819498535, 17311197656, 21638997070, 43277994140, 86555988280]

約数ペア:

[(1, 86555988280), (2, 43277994140), (4, 21638997070), (5, 17311197656), (8, 10819498535), (10, 8655598828), (20, 4327799414), (40, 2163899707), (43, 2012929960), (86, 1006464980), (172, 503232490), (181, 478209880), (215, 402585992), (344, 251616245), (362, 239104940), (430, 201292996), (724, 119552470), (860, 100646498), (905, 95641976), (1448, 59776235), (1720, 50323249), (1810, 47820988), (3620, 23910494), (7240, 11955247), (7783, 11121160), (15566, 5560580), (31132, 2780290), (38915, 2224232), (62264, 1390145), (77830, 1112116), (155660, 556058), (278029, 311320)]