4890040

素因数分解:

$2^3\times 5^1\times {\mathrm{122251}}^1$

素因数の和:122262

約数の個数: 16

約数和(自身を含む): 11002680

約数和(自身を除く): 6112640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 122251, 244502, 489004, 611255, 978008, 1222510, 2445020, 4890040]

約数ペア:

[(1, 4890040), (2, 2445020), (4, 1222510), (5, 978008), (8, 611255), (10, 489004), (20, 244502), (40, 122251)]