17381808680

素因数分解:

$2^3\times 5^1\times {\mathrm{434545217}}^1$

素因数の和:434545228

約数の個数: 16

約数和(自身を含む): 39109069620

約数和(自身を除く): 21727260940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 434545217, 869090434, 1738180868, 2172726085, 3476361736, 4345452170, 8690904340, 17381808680]

約数ペア:

[(1, 17381808680), (2, 8690904340), (4, 4345452170), (5, 3476361736), (8, 2172726085), (10, 1738180868), (20, 869090434), (40, 434545217)]