87039290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1637}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 169238160

約数和(自身を除く): 82198870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 818, 1637, 2045, 3274, 4090, 5317, 8185, 10634, 16370, 21281, 26585, 42562, 53170, 106405, 212810, 669533, 1339066, 3347665, 6695330, 8703929, 17407858, 43519645, 87039290]

約数ペア:

[(1, 87039290), (2, 43519645), (5, 17407858), (10, 8703929), (13, 6695330), (26, 3347665), (65, 1339066), (130, 669533), (409, 212810), (818, 106405), (1637, 53170), (2045, 42562), (3274, 26585), (4090, 21281), (5317, 16370), (8185, 10634)]