42877640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82457}}^1$

素因数の和:82481

約数の個数: 32

約数和(自身を含む): 103897080

約数和(自身を除く): 61019440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 82457, 164914, 329828, 412285, 659656, 824570, 1071941, 1649140, 2143882, 3298280, 4287764, 5359705, 8575528, 10719410, 21438820, 42877640]

約数ペア:

[(1, 42877640), (2, 21438820), (4, 10719410), (5, 8575528), (8, 5359705), (10, 4287764), (13, 3298280), (20, 2143882), (26, 1649140), (40, 1071941), (52, 824570), (65, 659656), (104, 412285), (130, 329828), (260, 164914), (520, 82457)]