2556560

素因数分解:

$2^4\times 5^1\times {\mathrm{31957}}^1$

素因数の和:31970

約数の個数: 20

約数和(自身を含む): 5944188

約数和(自身を除く): 3387628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31957, 63914, 127828, 159785, 255656, 319570, 511312, 639140, 1278280, 2556560]

約数ペア:

[(1, 2556560), (2, 1278280), (4, 639140), (5, 511312), (8, 319570), (10, 255656), (16, 159785), (20, 127828), (40, 63914), (80, 31957)]