10242920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1571}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 23202720

約数和(自身を除く): 12959800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1571, 1630, 3142, 3260, 6284, 6520, 7855, 12568, 15710, 31420, 62840, 256073, 512146, 1024292, 1280365, 2048584, 2560730, 5121460, 10242920]

約数ペア:

[(1, 10242920), (2, 5121460), (4, 2560730), (5, 2048584), (8, 1280365), (10, 1024292), (20, 512146), (40, 256073), (163, 62840), (326, 31420), (652, 15710), (815, 12568), (1304, 7855), (1571, 6520), (1630, 6284), (3142, 3260)]