9899240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19037}}^1$

素因数の和:19061

約数の個数: 32

約数和(自身を含む): 23987880

約数和(自身を除く): 14088640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 19037, 38074, 76148, 95185, 152296, 190370, 247481, 380740, 494962, 761480, 989924, 1237405, 1979848, 2474810, 4949620, 9899240]

約数ペア:

[(1, 9899240), (2, 4949620), (4, 2474810), (5, 1979848), (8, 1237405), (10, 989924), (13, 761480), (20, 494962), (26, 380740), (40, 247481), (52, 190370), (65, 152296), (104, 95185), (130, 76148), (260, 38074), (520, 19037)]