86616920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166571}}^1$

素因数の和:166595

約数の個数: 32

約数和(自身を含む): 209880720

約数和(自身を除く): 123263800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 166571, 333142, 666284, 832855, 1332568, 1665710, 2165423, 3331420, 4330846, 6662840, 8661692, 10827115, 17323384, 21654230, 43308460, 86616920]

約数ペア:

[(1, 86616920), (2, 43308460), (4, 21654230), (5, 17323384), (8, 10827115), (10, 8661692), (13, 6662840), (20, 4330846), (26, 3331420), (40, 2165423), (52, 1665710), (65, 1332568), (104, 832855), (130, 666284), (260, 333142), (520, 166571)]