64929640

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{4423}}^1$

素因数の和:4801

約数の個数: 32

約数和(自身を含む): 146522880

約数和(自身を除く): 81593240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 4423, 7340, 8846, 14680, 17692, 22115, 35384, 44230, 88460, 176920, 1623241, 3246482, 6492964, 8116205, 12985928, 16232410, 32464820, 64929640]

約数ペア:

[(1, 64929640), (2, 32464820), (4, 16232410), (5, 12985928), (8, 8116205), (10, 6492964), (20, 3246482), (40, 1623241), (367, 176920), (734, 88460), (1468, 44230), (1835, 35384), (2936, 22115), (3670, 17692), (4423, 14680), (7340, 8846)]