87355640

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3461}}^1$

素因数の和:4103

約数の個数: 32

約数和(自身を含む): 196918560

約数和(自身を除く): 109562920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 3461, 5048, 6310, 6922, 12620, 13844, 17305, 25240, 27688, 34610, 69220, 138440, 2183891, 4367782, 8735564, 10919455, 17471128, 21838910, 43677820, 87355640]

約数ペア:

[(1, 87355640), (2, 43677820), (4, 21838910), (5, 17471128), (8, 10919455), (10, 8735564), (20, 4367782), (40, 2183891), (631, 138440), (1262, 69220), (2524, 34610), (3155, 27688), (3461, 25240), (5048, 17305), (6310, 13844), (6922, 12620)]