152778040

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{7331}}^1$

素因数の和:7863

約数の個数: 32

約数和(自身を含む): 344457360

約数和(自身を除く): 191679320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 7331, 10420, 14662, 20840, 29324, 36655, 58648, 73310, 146620, 293240, 3819451, 7638902, 15277804, 19097255, 30555608, 38194510, 76389020, 152778040]

約数ペア:

[(1, 152778040), (2, 76389020), (4, 38194510), (5, 30555608), (8, 19097255), (10, 15277804), (20, 7638902), (40, 3819451), (521, 293240), (1042, 146620), (2084, 73310), (2605, 58648), (4168, 36655), (5210, 29324), (7331, 20840), (10420, 14662)]