72540560

素因数分解:

$2^4\times 5^1\times {\mathrm{906757}}^1$

素因数の和:906770

約数の個数: 20

約数和(自身を含む): 168656988

約数和(自身を除く): 96116428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 906757, 1813514, 3627028, 4533785, 7254056, 9067570, 14508112, 18135140, 36270280, 72540560]

約数ペア:

[(1, 72540560), (2, 36270280), (4, 18135140), (5, 14508112), (8, 9067570), (10, 7254056), (16, 4533785), (20, 3627028), (40, 1813514), (80, 906757)]