408060560

素因数分解:

$2^4\times 5^1\times {\mathrm{5100757}}^1$

素因数の和:5100770

約数の個数: 20

約数和(自身を含む): 948740988

約数和(自身を除く): 540680428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5100757, 10201514, 20403028, 25503785, 40806056, 51007570, 81612112, 102015140, 204030280, 408060560]

約数ペア:

[(1, 408060560), (2, 204030280), (4, 102015140), (5, 81612112), (8, 51007570), (10, 40806056), (16, 25503785), (20, 20403028), (40, 10201514), (80, 5100757)]