12520580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15269}}^1$

素因数の和:15319

約数の個数: 24

約数和(自身を含む): 26936280

約数和(自身を除く): 14415700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15269, 30538, 61076, 76345, 152690, 305380, 626029, 1252058, 2504116, 3130145, 6260290, 12520580]

約数ペア:

[(1, 12520580), (2, 6260290), (4, 3130145), (5, 2504116), (10, 1252058), (20, 626029), (41, 305380), (82, 152690), (164, 76345), (205, 61076), (410, 30538), (820, 15269)]