71001340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{86587}}^1$

素因数の和:86637

約数の個数: 24

約数和(自身を含む): 152741232

約数和(自身を除く): 81739892

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 86587, 173174, 346348, 432935, 865870, 1731740, 3550067, 7100134, 14200268, 17750335, 35500670, 71001340]

約数ペア:

[(1, 71001340), (2, 35500670), (4, 17750335), (5, 14200268), (10, 7100134), (20, 3550067), (41, 1731740), (82, 865870), (164, 432935), (205, 346348), (410, 173174), (820, 86587)]