25812820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117331}}^1$

素因数の和:117351

約数の個数: 24

約数和(自身を含む): 59135328

約数和(自身を除く): 33322508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 117331, 234662, 469324, 586655, 1173310, 1290641, 2346620, 2581282, 5162564, 6453205, 12906410, 25812820]

約数ペア:

[(1, 25812820), (2, 12906410), (4, 6453205), (5, 5162564), (10, 2581282), (11, 2346620), (20, 1290641), (22, 1173310), (44, 586655), (55, 469324), (110, 234662), (220, 117331)]