13275280

素因数分解:

$2^4\times 5^1\times {\mathrm{165941}}^1$

素因数の和:165954

約数の個数: 20

約数和(自身を含む): 30865212

約数和(自身を除く): 17589932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 165941, 331882, 663764, 829705, 1327528, 1659410, 2655056, 3318820, 6637640, 13275280]

約数ペア:

[(1, 13275280), (2, 6637640), (4, 3318820), (5, 2655056), (8, 1659410), (10, 1327528), (16, 829705), (20, 663764), (40, 331882), (80, 165941)]