128466650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197641}}^1$

素因数の和:197666

約数の個数: 24

約数和(自身を含む): 257329884

約数和(自身を除く): 128863234

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 197641, 395282, 988205, 1976410, 2569333, 4941025, 5138666, 9882050, 12846665, 25693330, 64233325, 128466650]

約数ペア:

[(1, 128466650), (2, 64233325), (5, 25693330), (10, 12846665), (13, 9882050), (25, 5138666), (26, 4941025), (50, 2569333), (65, 1976410), (130, 988205), (325, 395282), (650, 197641)]