85838420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{104681}}^1$

素因数の和:104731

約数の個数: 24

約数和(自身を含む): 184659048

約数和(自身を除く): 98820628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 104681, 209362, 418724, 523405, 1046810, 2093620, 4291921, 8583842, 17167684, 21459605, 42919210, 85838420]

約数ペア:

[(1, 85838420), (2, 42919210), (4, 21459605), (5, 17167684), (10, 8583842), (20, 4291921), (41, 2093620), (82, 1046810), (164, 523405), (205, 418724), (410, 209362), (820, 104681)]