39862120

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4723}}^1$

素因数の和:4945

約数の個数: 32

約数和(自身を含む): 90133920

約数和(自身を除く): 50271800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 4723, 8440, 9446, 18892, 23615, 37784, 47230, 94460, 188920, 996553, 1993106, 3986212, 4982765, 7972424, 9965530, 19931060, 39862120]

約数ペア:

[(1, 39862120), (2, 19931060), (4, 9965530), (5, 7972424), (8, 4982765), (10, 3986212), (20, 1993106), (40, 996553), (211, 188920), (422, 94460), (844, 47230), (1055, 37784), (1688, 23615), (2110, 18892), (4220, 9446), (4723, 8440)]