161041640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{138829}}^1$

素因数の和:138869

約数の個数: 32

約数和(自身を含む): 374841000

約数和(自身を除く): 213799360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 138829, 277658, 555316, 694145, 1110632, 1388290, 2776580, 4026041, 5553160, 8052082, 16104164, 20130205, 32208328, 40260410, 80520820, 161041640]

約数ペア:

[(1, 161041640), (2, 80520820), (4, 40260410), (5, 32208328), (8, 20130205), (10, 16104164), (20, 8052082), (29, 5553160), (40, 4026041), (58, 2776580), (116, 1388290), (145, 1110632), (232, 694145), (290, 555316), (580, 277658), (1160, 138829)]