531700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:436

約数の個数: 36

約数和(自身を含む): 1245580

約数和(自身を除く): 713880

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 409, 650, 818, 1300, 1636, 2045, 4090, 5317, 8180, 10225, 10634, 20450, 21268, 26585, 40900, 53170, 106340, 132925, 265850, 531700]

約数ペア:

[(1, 531700), (2, 265850), (4, 132925), (5, 106340), (10, 53170), (13, 40900), (20, 26585), (25, 21268), (26, 20450), (50, 10634), (52, 10225), (65, 8180), (100, 5317), (130, 4090), (260, 2045), (325, 1636), (409, 1300), (650, 818)]