64605499780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8369}}^1\times {\mathrm{12451}}^1$

素因数の和:20860

約数の個数: 48

約数和(自身を含む): 140076034560

約数和(自身を除く): 75470534780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 8369, 12451, 16738, 24902, 33476, 41845, 49804, 62255, 83690, 124510, 167380, 249020, 259439, 385981, 518878, 771962, 1037756, 1297195, 1543924, 1929905, 2594390, 3859810, 5188780, 7719620, 104202419, 208404838, 416809676, 521012095, 1042024190, 2084048380, 3230274989, 6460549978, 12921099956, 16151374945, 32302749890, 64605499780]

約数ペア:

[(1, 64605499780), (2, 32302749890), (4, 16151374945), (5, 12921099956), (10, 6460549978), (20, 3230274989), (31, 2084048380), (62, 1042024190), (124, 521012095), (155, 416809676), (310, 208404838), (620, 104202419), (8369, 7719620), (12451, 5188780), (16738, 3859810), (24902, 2594390), (33476, 1929905), (41845, 1543924), (49804, 1297195), (62255, 1037756), (83690, 771962), (124510, 518878), (167380, 385981), (249020, 259439)]