31693720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4861}}^1$

素因数の和:5035

約数の個数: 32

約数和(自身を含む): 71763120

約数和(自身を除く): 40069400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 4861, 6520, 9722, 19444, 24305, 38888, 48610, 97220, 194440, 792343, 1584686, 3169372, 3961715, 6338744, 7923430, 15846860, 31693720]

約数ペア:

[(1, 31693720), (2, 15846860), (4, 7923430), (5, 6338744), (8, 3961715), (10, 3169372), (20, 1584686), (40, 792343), (163, 194440), (326, 97220), (652, 48610), (815, 38888), (1304, 24305), (1630, 19444), (3260, 9722), (4861, 6520)]