2181302800

素因数分解:

$2^4\times 5^2\times {\mathrm{5453257}}^1$

素因数の和:5453275

約数の個数: 30

約数和(自身を含む): 5240580938

約数和(自身を除く): 3059278138

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5453257, 10906514, 21813028, 27266285, 43626056, 54532570, 87252112, 109065140, 136331425, 218130280, 272662850, 436260560, 545325700, 1090651400, 2181302800]

約数ペア:

[(1, 2181302800), (2, 1090651400), (4, 545325700), (5, 436260560), (8, 272662850), (10, 218130280), (16, 136331425), (20, 109065140), (25, 87252112), (40, 54532570), (50, 43626056), (80, 27266285), (100, 21813028), (200, 10906514), (400, 5453257)]