90034480

素因数分解:

$2^4\times 5^1\times {\mathrm{1125431}}^1$

素因数の和:1125444

約数の個数: 20

約数和(自身を含む): 209330352

約数和(自身を除く): 119295872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1125431, 2250862, 4501724, 5627155, 9003448, 11254310, 18006896, 22508620, 45017240, 90034480]

約数ペア:

[(1, 90034480), (2, 45017240), (4, 22508620), (5, 18006896), (8, 11254310), (10, 9003448), (16, 5627155), (20, 4501724), (40, 2250862), (80, 1125431)]