142675640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{115061}}^1$

素因数の和:115103

約数の個数: 32

約数和(自身を含む): 331378560

約数和(自身を除く): 188702920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 115061, 230122, 460244, 575305, 920488, 1150610, 2301220, 3566891, 4602440, 7133782, 14267564, 17834455, 28535128, 35668910, 71337820, 142675640]

約数ペア:

[(1, 142675640), (2, 71337820), (4, 35668910), (5, 28535128), (8, 17834455), (10, 14267564), (20, 7133782), (31, 4602440), (40, 3566891), (62, 2301220), (124, 1150610), (155, 920488), (248, 575305), (310, 460244), (620, 230122), (1240, 115061)]