25784420

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{1229}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 54243000

約数和(自身を除く): 28458580

約数列:

[1, 2, 4, 5, 10, 20, 1049, 1229, 2098, 2458, 4196, 4916, 5245, 6145, 10490, 12290, 20980, 24580, 1289221, 2578442, 5156884, 6446105, 12892210, 25784420]

約数ペア:

[(1, 25784420), (2, 12892210), (4, 6446105), (5, 5156884), (10, 2578442), (20, 1289221), (1049, 24580), (1229, 20980), (2098, 12290), (2458, 10490), (4196, 6145), (4916, 5245)]