2020303025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{2213}}^1$

素因数の和:2342

約数の個数: 36

約数和(自身を含む): 2750987988

約数和(自身を除く): 730684963

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 2213, 2809, 3445, 11065, 14045, 17225, 28769, 36517, 55325, 70225, 117289, 143845, 182585, 586445, 719225, 912925, 1524757, 2932225, 6216317, 7623785, 31081585, 38118925, 80812121, 155407925, 404060605, 2020303025]

約数ペア:

[(1, 2020303025), (5, 404060605), (13, 155407925), (25, 80812121), (53, 38118925), (65, 31081585), (265, 7623785), (325, 6216317), (689, 2932225), (1325, 1524757), (2213, 912925), (2809, 719225), (3445, 586445), (11065, 182585), (14045, 143845), (17225, 117289), (28769, 70225), (36517, 55325)]