31028540

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1279}}^1$

素因数の和:2501

約数の個数: 24

約数和(自身を含む): 65264640

約数和(自身を除く): 34236100

約数列:

[1, 2, 4, 5, 10, 20, 1213, 1279, 2426, 2558, 4852, 5116, 6065, 6395, 12130, 12790, 24260, 25580, 1551427, 3102854, 6205708, 7757135, 15514270, 31028540]

約数ペア:

[(1, 31028540), (2, 15514270), (4, 7757135), (5, 6205708), (10, 3102854), (20, 1551427), (1213, 25580), (1279, 24260), (2426, 12790), (2558, 12130), (4852, 6395), (5116, 6065)]