14400440

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{691}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 32510160

約数和(自身を除く): 18109720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 691, 1042, 1382, 2084, 2605, 2764, 3455, 4168, 5210, 5528, 6910, 10420, 13820, 20840, 27640, 360011, 720022, 1440044, 1800055, 2880088, 3600110, 7200220, 14400440]

約数ペア:

[(1, 14400440), (2, 7200220), (4, 3600110), (5, 2880088), (8, 1800055), (10, 1440044), (20, 720022), (40, 360011), (521, 27640), (691, 20840), (1042, 13820), (1382, 10420), (2084, 6910), (2605, 5528), (2764, 5210), (3455, 4168)]