57291260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220351}}^1$

素因数の和:220373

約数の個数: 24

約数和(自身を含む): 129566976

約数和(自身を除く): 72275716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 220351, 440702, 881404, 1101755, 2203510, 2864563, 4407020, 5729126, 11458252, 14322815, 28645630, 57291260]

約数ペア:

[(1, 57291260), (2, 28645630), (4, 14322815), (5, 11458252), (10, 5729126), (13, 4407020), (20, 2864563), (26, 2203510), (52, 1101755), (65, 881404), (130, 440702), (260, 220351)]