86640580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{333233}}^1$

素因数の和:333255

約数の個数: 24

約数和(自身を含む): 195941592

約数和(自身を除く): 109301012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 333233, 666466, 1332932, 1666165, 3332330, 4332029, 6664660, 8664058, 17328116, 21660145, 43320290, 86640580]

約数ペア:

[(1, 86640580), (2, 43320290), (4, 21660145), (5, 17328116), (10, 8664058), (13, 6664660), (20, 4332029), (26, 3332330), (52, 1666165), (65, 1332932), (130, 666466), (260, 333233)]