31433480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60449}}^1$

素因数の和:60473

約数の個数: 32

約数和(自身を含む): 76167000

約数和(自身を除く): 44733520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60449, 120898, 241796, 302245, 483592, 604490, 785837, 1208980, 1571674, 2417960, 3143348, 3929185, 6286696, 7858370, 15716740, 31433480]

約数ペア:

[(1, 31433480), (2, 15716740), (4, 7858370), (5, 6286696), (8, 3929185), (10, 3143348), (13, 2417960), (20, 1571674), (26, 1208980), (40, 785837), (52, 604490), (65, 483592), (104, 302245), (130, 241796), (260, 120898), (520, 60449)]