12415240

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1471}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 28085760

約数和(自身を除く): 15670520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1471, 1688, 2110, 2942, 4220, 5884, 7355, 8440, 11768, 14710, 29420, 58840, 310381, 620762, 1241524, 1551905, 2483048, 3103810, 6207620, 12415240]

約数ペア:

[(1, 12415240), (2, 6207620), (4, 3103810), (5, 2483048), (8, 1551905), (10, 1241524), (20, 620762), (40, 310381), (211, 58840), (422, 29420), (844, 14710), (1055, 11768), (1471, 8440), (1688, 7355), (2110, 5884), (2942, 4220)]