279680560

素因数分解:

$2^4\times 5^1\times {\mathrm{3496007}}^1$

素因数の和:3496020

約数の個数: 20

約数和(自身を含む): 650257488

約数和(自身を除く): 370576928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3496007, 6992014, 13984028, 17480035, 27968056, 34960070, 55936112, 69920140, 139840280, 279680560]

約数ペア:

[(1, 279680560), (2, 139840280), (4, 69920140), (5, 55936112), (8, 34960070), (10, 27968056), (16, 17480035), (20, 13984028), (40, 6992014), (80, 3496007)]