425854480

素因数分解:

$2^4\times 5^1\times {\mathrm{5323181}}^1$

素因数の和:5323194

約数の個数: 20

約数和(自身を含む): 990111852

約数和(自身を除く): 564257372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5323181, 10646362, 21292724, 26615905, 42585448, 53231810, 85170896, 106463620, 212927240, 425854480]

約数ペア:

[(1, 425854480), (2, 212927240), (4, 106463620), (5, 85170896), (8, 53231810), (10, 42585448), (16, 26615905), (20, 21292724), (40, 10646362), (80, 5323181)]