85010120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163481}}^1$

素因数の和:163505

約数の個数: 32

約数和(自身を含む): 205987320

約数和(自身を除く): 120977200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 163481, 326962, 653924, 817405, 1307848, 1634810, 2125253, 3269620, 4250506, 6539240, 8501012, 10626265, 17002024, 21252530, 42505060, 85010120]

約数ペア:

[(1, 85010120), (2, 42505060), (4, 21252530), (5, 17002024), (8, 10626265), (10, 8501012), (13, 6539240), (20, 4250506), (26, 3269620), (40, 2125253), (52, 1634810), (65, 1307848), (104, 817405), (130, 653924), (260, 326962), (520, 163481)]