200280560

素因数分解:

$2^4\times 5^1\times {\mathrm{2503507}}^1$

素因数の和:2503520

約数の個数: 20

約数和(自身を含む): 465652488

約数和(自身を除く): 265371928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2503507, 5007014, 10014028, 12517535, 20028056, 25035070, 40056112, 50070140, 100140280, 200280560]

約数ペア:

[(1, 200280560), (2, 100140280), (4, 50070140), (5, 40056112), (8, 25035070), (10, 20028056), (16, 12517535), (20, 10014028), (40, 5007014), (80, 2503507)]