64580080

素因数分解:

$2^4\times 5^1\times {\mathrm{807251}}^1$

素因数の和:807264

約数の個数: 20

約数和(自身を含む): 150148872

約数和(自身を除く): 85568792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 807251, 1614502, 3229004, 4036255, 6458008, 8072510, 12916016, 16145020, 32290040, 64580080]

約数ペア:

[(1, 64580080), (2, 32290040), (4, 16145020), (5, 12916016), (8, 8072510), (10, 6458008), (16, 4036255), (20, 3229004), (40, 1614502), (80, 807251)]