31125580

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1283}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 65468592

約数和(自身を除く): 34343012

約数列:

[1, 2, 4, 5, 10, 20, 1213, 1283, 2426, 2566, 4852, 5132, 6065, 6415, 12130, 12830, 24260, 25660, 1556279, 3112558, 6225116, 7781395, 15562790, 31125580]

約数ペア:

[(1, 31125580), (2, 15562790), (4, 7781395), (5, 6225116), (10, 3112558), (20, 1556279), (1213, 25660), (1283, 24260), (2426, 12830), (2566, 12130), (4852, 6415), (5132, 6065)]