26380820

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5519}}^1$

素因数の和:5767

約数の個数: 24

約数和(自身を含む): 55641600

約数和(自身を除く): 29260780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 5519, 11038, 22076, 27595, 55190, 110380, 1319041, 2638082, 5276164, 6595205, 13190410, 26380820]

約数ペア:

[(1, 26380820), (2, 13190410), (4, 6595205), (5, 5276164), (10, 2638082), (20, 1319041), (239, 110380), (478, 55190), (956, 27595), (1195, 22076), (2390, 11038), (4780, 5519)]