1246580

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 2641128

約数和(自身を除く): 1394548

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 397, 628, 785, 794, 1570, 1588, 1985, 3140, 3970, 7940, 62329, 124658, 249316, 311645, 623290, 1246580]

約数ペア:

[(1, 1246580), (2, 623290), (4, 311645), (5, 249316), (10, 124658), (20, 62329), (157, 7940), (314, 3970), (397, 3140), (628, 1985), (785, 1588), (794, 1570)]