143635640

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{5449}}^1$

素因数の和:6119

約数の個数: 32

約数和(自身を含む): 323730000

約数和(自身を除く): 180094360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 5449, 6590, 10898, 13180, 21796, 26360, 27245, 43592, 54490, 108980, 217960, 3590891, 7181782, 14363564, 17954455, 28727128, 35908910, 71817820, 143635640]

約数ペア:

[(1, 143635640), (2, 71817820), (4, 35908910), (5, 28727128), (8, 17954455), (10, 14363564), (20, 7181782), (40, 3590891), (659, 217960), (1318, 108980), (2636, 54490), (3295, 43592), (5272, 27245), (5449, 26360), (6590, 21796), (10898, 13180)]