25775420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10651}}^1$

素因数の和:10682

約数の個数: 36

約数和(自身を含む): 59502072

約数和(自身を除く): 33726652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 10651, 21302, 42604, 53255, 106510, 117161, 213020, 234322, 468644, 585805, 1171610, 1288771, 2343220, 2577542, 5155084, 6443855, 12887710, 25775420]

約数ペア:

[(1, 25775420), (2, 12887710), (4, 6443855), (5, 5155084), (10, 2577542), (11, 2343220), (20, 1288771), (22, 1171610), (44, 585805), (55, 468644), (110, 234322), (121, 213020), (220, 117161), (242, 106510), (484, 53255), (605, 42604), (1210, 21302), (2420, 10651)]