16918040

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2801}}^1$

素因数の和:2963

約数の個数: 32

約数和(自身を含む): 38331360

約数和(自身を除く): 21413320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 2801, 3020, 5602, 6040, 11204, 14005, 22408, 28010, 56020, 112040, 422951, 845902, 1691804, 2114755, 3383608, 4229510, 8459020, 16918040]

約数ペア:

[(1, 16918040), (2, 8459020), (4, 4229510), (5, 3383608), (8, 2114755), (10, 1691804), (20, 845902), (40, 422951), (151, 112040), (302, 56020), (604, 28010), (755, 22408), (1208, 14005), (1510, 11204), (2801, 6040), (3020, 5602)]