100821080

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{5987}}^1$

素因数の和:6419

約数の個数: 32

約数和(自身を含む): 227424240

約数和(自身を除く): 126603160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 5987, 8420, 11974, 16840, 23948, 29935, 47896, 59870, 119740, 239480, 2520527, 5041054, 10082108, 12602635, 20164216, 25205270, 50410540, 100821080]

約数ペア:

[(1, 100821080), (2, 50410540), (4, 25205270), (5, 20164216), (8, 12602635), (10, 10082108), (20, 5041054), (40, 2520527), (421, 239480), (842, 119740), (1684, 59870), (2105, 47896), (3368, 29935), (4210, 23948), (5987, 16840), (8420, 11974)]