28121710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{523}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 53573760

約数和(自身を除く): 25452050

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 283, 523, 566, 1046, 1415, 2615, 2830, 5230, 5377, 9937, 10754, 19874, 26885, 49685, 53770, 99370, 148009, 296018, 740045, 1480090, 2812171, 5624342, 14060855, 28121710]

約数ペア:

[(1, 28121710), (2, 14060855), (5, 5624342), (10, 2812171), (19, 1480090), (38, 740045), (95, 296018), (190, 148009), (283, 99370), (523, 53770), (566, 49685), (1046, 26885), (1415, 19874), (2615, 10754), (2830, 9937), (5230, 5377)]