260610440

素因数分解:

$2^3\times 5^1\times {\mathrm{6515261}}^1$

素因数の和:6515272

約数の個数: 16

約数和(自身を含む): 586373580

約数和(自身を除く): 325763140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6515261, 13030522, 26061044, 32576305, 52122088, 65152610, 130305220, 260610440]

約数ペア:

[(1, 260610440), (2, 130305220), (4, 65152610), (5, 52122088), (8, 32576305), (10, 26061044), (20, 13030522), (40, 6515261)]