90494480

素因数分解:

$2^4\times 5^1\times {\mathrm{1131181}}^1$

素因数の和:1131194

約数の個数: 20

約数和(自身を含む): 210399852

約数和(自身を除く): 119905372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1131181, 2262362, 4524724, 5655905, 9049448, 11311810, 18098896, 22623620, 45247240, 90494480]

約数ペア:

[(1, 90494480), (2, 45247240), (4, 22623620), (5, 18098896), (8, 11311810), (10, 9049448), (16, 5655905), (20, 4524724), (40, 2262362), (80, 1131181)]