25804580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31469}}^1$

素因数の和:31519

約数の個数: 24

約数和(自身を含む): 55513080

約数和(自身を除く): 29708500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31469, 62938, 125876, 157345, 314690, 629380, 1290229, 2580458, 5160916, 6451145, 12902290, 25804580]

約数ペア:

[(1, 25804580), (2, 12902290), (4, 6451145), (5, 5160916), (10, 2580458), (20, 1290229), (41, 629380), (82, 314690), (164, 157345), (205, 125876), (410, 62938), (820, 31469)]