66101020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{80611}}^1$

素因数の和:80661

約数の個数: 24

約数和(自身を含む): 142199568

約数和(自身を除く): 76098548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 80611, 161222, 322444, 403055, 806110, 1612220, 3305051, 6610102, 13220204, 16525255, 33050510, 66101020]

約数ペア:

[(1, 66101020), (2, 33050510), (4, 16525255), (5, 13220204), (10, 6610102), (20, 3305051), (41, 1612220), (82, 806110), (164, 403055), (205, 322444), (410, 161222), (820, 80611)]