25239940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2441}}^1$

素因数の和:2508

約数の個数: 48

約数和(自身を含む): 59076864

約数和(自身を除く): 33836924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2441, 2585, 4882, 5170, 9764, 10340, 12205, 24410, 26851, 48820, 53702, 107404, 114727, 134255, 229454, 268510, 458908, 537020, 573635, 1147270, 1261997, 2294540, 2523994, 5047988, 6309985, 12619970, 25239940]

約数ペア:

[(1, 25239940), (2, 12619970), (4, 6309985), (5, 5047988), (10, 2523994), (11, 2294540), (20, 1261997), (22, 1147270), (44, 573635), (47, 537020), (55, 458908), (94, 268510), (110, 229454), (188, 134255), (220, 114727), (235, 107404), (470, 53702), (517, 48820), (940, 26851), (1034, 24410), (2068, 12205), (2441, 10340), (2585, 9764), (4882, 5170)]