25861580

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7933}}^1$

素因数の和:8105

約数の個数: 24

約数和(自身を含む): 54649392

約数和(自身を除く): 28787812

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 7933, 15866, 31732, 39665, 79330, 158660, 1293079, 2586158, 5172316, 6465395, 12930790, 25861580]

約数ペア:

[(1, 25861580), (2, 12930790), (4, 6465395), (5, 5172316), (10, 2586158), (20, 1293079), (163, 158660), (326, 79330), (652, 39665), (815, 31732), (1630, 15866), (3260, 7933)]