52123940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 123693696

約数和(自身を除く): 71569756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 71, 94, 110, 142, 188, 220, 235, 284, 355, 470, 517, 710, 781, 940, 1034, 1420, 1562, 2068, 2585, 3124, 3337, 3905, 5041, 5170, 6674, 7810, 10082, 10340, 13348, 15620, 16685, 20164, 25205, 33370, 36707, 50410, 55451, 66740, 73414, 100820, 110902, 146828, 183535, 221804, 236927, 277255, 367070, 473854, 554510, 734140, 947708, 1109020, 1184635, 2369270, 2606197, 4738540, 5212394, 10424788, 13030985, 26061970, 52123940]

約数ペア:

[(1, 52123940), (2, 26061970), (4, 13030985), (5, 10424788), (10, 5212394), (11, 4738540), (20, 2606197), (22, 2369270), (44, 1184635), (47, 1109020), (55, 947708), (71, 734140), (94, 554510), (110, 473854), (142, 367070), (188, 277255), (220, 236927), (235, 221804), (284, 183535), (355, 146828), (470, 110902), (517, 100820), (710, 73414), (781, 66740), (940, 55451), (1034, 50410), (1420, 36707), (1562, 33370), (2068, 25205), (2585, 20164), (3124, 16685), (3337, 15620), (3905, 13348), (5041, 10340), (5170, 10082), (6674, 7810)]