26498620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18661}}^1$

素因数の和:18741

約数の個数: 24

約数和(自身を含む): 56433888

約数和(自身を除く): 29935268

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18661, 37322, 74644, 93305, 186610, 373220, 1324931, 2649862, 5299724, 6624655, 13249310, 26498620]

約数ペア:

[(1, 26498620), (2, 13249310), (4, 6624655), (5, 5299724), (10, 2649862), (20, 1324931), (71, 373220), (142, 186610), (284, 93305), (355, 74644), (710, 37322), (1420, 18661)]