56780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 127008

約数和(自身を除く): 70228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 334, 340, 668, 835, 1670, 2839, 3340, 5678, 11356, 14195, 28390, 56780]

約数ペア:

[(1, 56780), (2, 28390), (4, 14195), (5, 11356), (10, 5678), (17, 3340), (20, 2839), (34, 1670), (68, 835), (85, 668), (167, 340), (170, 334)]