72528080

素因数分解:

$2^4\times 5^1\times {\mathrm{906601}}^1$

素因数の和:906614

約数の個数: 20

約数和(自身を含む): 168627972

約数和(自身を除く): 96099892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 906601, 1813202, 3626404, 4533005, 7252808, 9066010, 14505616, 18132020, 36264040, 72528080]

約数ペア:

[(1, 72528080), (2, 36264040), (4, 18132020), (5, 14505616), (8, 9066010), (10, 7252808), (16, 4533005), (20, 3626404), (40, 1813202), (80, 906601)]