61890040

素因数分解:

$2^3\times 5^1\times {\mathrm{1547251}}^1$

素因数の和:1547262

約数の個数: 16

約数和(自身を含む): 139252680

約数和(自身を除く): 77362640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1547251, 3094502, 6189004, 7736255, 12378008, 15472510, 30945020, 61890040]

約数ペア:

[(1, 61890040), (2, 30945020), (4, 15472510), (5, 12378008), (8, 7736255), (10, 6189004), (20, 3094502), (40, 1547251)]