8940740

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1093}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 18838680

約数和(自身を除く): 9897940

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1093, 1636, 2045, 2186, 4090, 4372, 5465, 8180, 10930, 21860, 447037, 894074, 1788148, 2235185, 4470370, 8940740]

約数ペア:

[(1, 8940740), (2, 4470370), (4, 2235185), (5, 1788148), (10, 894074), (20, 447037), (409, 21860), (818, 10930), (1093, 8180), (1636, 5465), (2045, 4372), (2186, 4090)]