71875640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17791}}^1$

素因数の和:17903

約数の個数: 32

約数和(自身を含む): 163330560

約数和(自身を除く): 91454920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 17791, 35582, 71164, 88955, 142328, 177910, 355820, 711640, 1796891, 3593782, 7187564, 8984455, 14375128, 17968910, 35937820, 71875640]

約数ペア:

[(1, 71875640), (2, 35937820), (4, 17968910), (5, 14375128), (8, 8984455), (10, 7187564), (20, 3593782), (40, 1796891), (101, 711640), (202, 355820), (404, 177910), (505, 142328), (808, 88955), (1010, 71164), (2020, 35582), (4040, 17791)]