31150780

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2879}}^1$

素因数の和:3429

約数の個数: 24

約数和(自身を含む): 65560320

約数和(自身を除く): 34409540

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 2879, 5410, 5758, 10820, 11516, 14395, 28790, 57580, 1557539, 3115078, 6230156, 7787695, 15575390, 31150780]

約数ペア:

[(1, 31150780), (2, 15575390), (4, 7787695), (5, 6230156), (10, 3115078), (20, 1557539), (541, 57580), (1082, 28790), (2164, 14395), (2705, 11516), (2879, 10820), (5410, 5758)]