13043740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15907}}^1$

素因数の和:15957

約数の個数: 24

約数和(自身を含む): 28061712

約数和(自身を除く): 15017972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15907, 31814, 63628, 79535, 159070, 318140, 652187, 1304374, 2608748, 3260935, 6521870, 13043740]

約数ペア:

[(1, 13043740), (2, 6521870), (4, 3260935), (5, 2608748), (10, 1304374), (20, 652187), (41, 318140), (82, 159070), (164, 79535), (205, 63628), (410, 31814), (820, 15907)]