255295280

素因数分解:

$2^4\times 5^1\times {\mathrm{3191191}}^1$

素因数の和:3191204

約数の個数: 20

約数和(自身を含む): 593561712

約数和(自身を除く): 338266432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3191191, 6382382, 12764764, 15955955, 25529528, 31911910, 51059056, 63823820, 127647640, 255295280]

約数ペア:

[(1, 255295280), (2, 127647640), (4, 63823820), (5, 51059056), (8, 31911910), (10, 25529528), (16, 15955955), (20, 12764764), (40, 6382382), (80, 3191191)]