86875640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70061}}^1$

素因数の和:70103

約数の個数: 32

約数和(自身を含む): 201778560

約数和(自身を除く): 114902920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 70061, 140122, 280244, 350305, 560488, 700610, 1401220, 2171891, 2802440, 4343782, 8687564, 10859455, 17375128, 21718910, 43437820, 86875640]

約数ペア:

[(1, 86875640), (2, 43437820), (4, 21718910), (5, 17375128), (8, 10859455), (10, 8687564), (20, 4343782), (31, 2802440), (40, 2171891), (62, 1401220), (124, 700610), (155, 560488), (248, 350305), (310, 280244), (620, 140122), (1240, 70061)]