25957780

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2281}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 54631080

約数和(自身を除く): 28673300

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2281, 2845, 4562, 5690, 9124, 11380, 11405, 22810, 45620, 1297889, 2595778, 5191556, 6489445, 12978890, 25957780]

約数ペア:

[(1, 25957780), (2, 12978890), (4, 6489445), (5, 5191556), (10, 2595778), (20, 1297889), (569, 45620), (1138, 22810), (2276, 11405), (2281, 11380), (2845, 9124), (4562, 5690)]