866380040

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{191677}}^1$

素因数の和:191801

約数の個数: 32

約数和(自身を含む): 1966616280

約数和(自身を除く): 1100236240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 191677, 383354, 766708, 958385, 1533416, 1916770, 3833540, 7667080, 21659501, 43319002, 86638004, 108297505, 173276008, 216595010, 433190020, 866380040]

約数ペア:

[(1, 866380040), (2, 433190020), (4, 216595010), (5, 173276008), (8, 108297505), (10, 86638004), (20, 43319002), (40, 21659501), (113, 7667080), (226, 3833540), (452, 1916770), (565, 1533416), (904, 958385), (1130, 766708), (2260, 383354), (4520, 191677)]