40220186

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:1009

約数の個数: 16

約数和(自身を含む): 61131240

約数和(自身を除く): 20911054

約数列:

[1, 2, 137, 229, 274, 458, 641, 1282, 31373, 62746, 87817, 146789, 175634, 293578, 20110093, 40220186]

約数ペア:

[(1, 40220186), (2, 20110093), (137, 293578), (229, 175634), (274, 146789), (458, 87817), (641, 62746), (1282, 31373)]