208042960

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4057}}^1$

素因数の和:4711

約数の個数: 40

約数和(自身を含む): 484573896

約数和(自身を除く): 276530936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3205, 4057, 5128, 6410, 8114, 10256, 12820, 16228, 20285, 25640, 32456, 40570, 51280, 64912, 81140, 162280, 324560, 2600537, 5201074, 10402148, 13002685, 20804296, 26005370, 41608592, 52010740, 104021480, 208042960]

約数ペア:

[(1, 208042960), (2, 104021480), (4, 52010740), (5, 41608592), (8, 26005370), (10, 20804296), (16, 13002685), (20, 10402148), (40, 5201074), (80, 2600537), (641, 324560), (1282, 162280), (2564, 81140), (3205, 64912), (4057, 51280), (5128, 40570), (6410, 32456), (8114, 25640), (10256, 20285), (12820, 16228)]