51369740

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4007}}^1$

素因数の和:4657

約数の個数: 24

約数和(自身を含む): 108071712

約数和(自身を除く): 56701972

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 4007, 6410, 8014, 12820, 16028, 20035, 40070, 80140, 2568487, 5136974, 10273948, 12842435, 25684870, 51369740]

約数ペア:

[(1, 51369740), (2, 25684870), (4, 12842435), (5, 10273948), (10, 5136974), (20, 2568487), (641, 80140), (1282, 40070), (2564, 20035), (3205, 16028), (4007, 12820), (6410, 8014)]