64190380

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{4027}}^1$

素因数の和:4833

約数の個数: 24

約数和(自身を含む): 135002448

約数和(自身を除く): 70812068

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 4027, 7970, 8054, 15940, 16108, 20135, 40270, 80540, 3209519, 6419038, 12838076, 16047595, 32095190, 64190380]

約数ペア:

[(1, 64190380), (2, 32095190), (4, 16047595), (5, 12838076), (10, 6419038), (20, 3209519), (797, 80540), (1594, 40270), (3188, 20135), (3985, 16108), (4027, 15940), (7970, 8054)]