25421260

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1861}}^1$

素因数の和:2553

約数の個数: 24

約数和(自身を含む): 53491536

約数和(自身を除く): 28070276

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 1861, 2732, 3415, 3722, 6830, 7444, 9305, 13660, 18610, 37220, 1271063, 2542126, 5084252, 6355315, 12710630, 25421260]

約数ペア:

[(1, 25421260), (2, 12710630), (4, 6355315), (5, 5084252), (10, 2542126), (20, 1271063), (683, 37220), (1366, 18610), (1861, 13660), (2732, 9305), (3415, 7444), (3722, 6830)]