25027640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5171}}^1$

素因数の和:5204

約数の個数: 48

約数和(自身を含む): 61908840

約数和(自身を除く): 36881200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 5171, 10342, 20684, 25855, 41368, 51710, 56881, 103420, 113762, 206840, 227524, 284405, 455048, 568810, 625691, 1137620, 1251382, 2275240, 2502764, 3128455, 5005528, 6256910, 12513820, 25027640]

約数ペア:

[(1, 25027640), (2, 12513820), (4, 6256910), (5, 5005528), (8, 3128455), (10, 2502764), (11, 2275240), (20, 1251382), (22, 1137620), (40, 625691), (44, 568810), (55, 455048), (88, 284405), (110, 227524), (121, 206840), (220, 113762), (242, 103420), (440, 56881), (484, 51710), (605, 41368), (968, 25855), (1210, 20684), (2420, 10342), (4840, 5171)]