80451676

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{490559}}^1$

素因数の和:490604

約数の個数: 12

約数和(自身を含む): 144224640

約数和(自身を除く): 63772964

約数列:

[1, 2, 4, 41, 82, 164, 490559, 981118, 1962236, 20112919, 40225838, 80451676]

約数ペア:

[(1, 80451676), (2, 40225838), (4, 20112919), (41, 1962236), (82, 981118), (164, 490559)]