808240

素因数分解:

$2^4\times 5^1\times {\mathrm{10103}}^1$

素因数の和:10116

約数の個数: 20

約数和(自身を含む): 1879344

約数和(自身を除く): 1071104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10103, 20206, 40412, 50515, 80824, 101030, 161648, 202060, 404120, 808240]

約数ペア:

[(1, 808240), (2, 404120), (4, 202060), (5, 161648), (8, 101030), (10, 80824), (16, 50515), (20, 40412), (40, 20206), (80, 10103)]