207915280

素因数分解:

$2^4\times 5^1\times {\mathrm{2598941}}^1$

素因数の和:2598954

約数の個数: 20

約数和(自身を含む): 483403212

約数和(自身を除く): 275487932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2598941, 5197882, 10395764, 12994705, 20791528, 25989410, 41583056, 51978820, 103957640, 207915280]

約数ペア:

[(1, 207915280), (2, 103957640), (4, 51978820), (5, 41583056), (8, 25989410), (10, 20791528), (16, 12994705), (20, 10395764), (40, 5197882), (80, 2598941)]