40105420

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{2131}}^1$

素因数の和:3081

約数の個数: 24

約数和(自身を含む): 84350448

約数和(自身を除く): 44245028

約数列:

[1, 2, 4, 5, 10, 20, 941, 1882, 2131, 3764, 4262, 4705, 8524, 9410, 10655, 18820, 21310, 42620, 2005271, 4010542, 8021084, 10026355, 20052710, 40105420]

約数ペア:

[(1, 40105420), (2, 20052710), (4, 10026355), (5, 8021084), (10, 4010542), (20, 2005271), (941, 42620), (1882, 21310), (2131, 18820), (3764, 10655), (4262, 9410), (4705, 8524)]