61778140

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{5039}}^1$

素因数の和:5661

約数の個数: 24

約数和(自身を含む): 129971520

約数和(自身を除く): 68193380

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 5039, 6130, 10078, 12260, 20156, 25195, 50390, 100780, 3088907, 6177814, 12355628, 15444535, 30889070, 61778140]

約数ペア:

[(1, 61778140), (2, 30889070), (4, 15444535), (5, 12355628), (10, 6177814), (20, 3088907), (613, 100780), (1226, 50390), (2452, 25195), (3065, 20156), (5039, 12260), (6130, 10078)]