203815120

素因数分解:

$2^4\times 5^1\times {\mathrm{2547689}}^1$

素因数の和:2547702

約数の個数: 20

約数和(自身を含む): 473870340

約数和(自身を除く): 270055220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2547689, 5095378, 10190756, 12738445, 20381512, 25476890, 40763024, 50953780, 101907560, 203815120]

約数ペア:

[(1, 203815120), (2, 101907560), (4, 50953780), (5, 40763024), (8, 25476890), (10, 20381512), (16, 12738445), (20, 10190756), (40, 5095378), (80, 2547689)]