12797740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15607}}^1$

素因数の和:15657

約数の個数: 24

約数和(自身を含む): 27532512

約数和(自身を除く): 14734772

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15607, 31214, 62428, 78035, 156070, 312140, 639887, 1279774, 2559548, 3199435, 6398870, 12797740]

約数ペア:

[(1, 12797740), (2, 6398870), (4, 3199435), (5, 2559548), (10, 1279774), (20, 639887), (41, 312140), (82, 156070), (164, 78035), (205, 62428), (410, 31214), (820, 15607)]