2080247660

素因数分解:

$2^2\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{78857}}^1$

素因数の和:80185

約数の個数: 24

約数和(自身を含む): 4371887520

約数和(自身を除く): 2291639860

約数列:

[1, 2, 4, 5, 10, 20, 1319, 2638, 5276, 6595, 13190, 26380, 78857, 157714, 315428, 394285, 788570, 1577140, 104012383, 208024766, 416049532, 520061915, 1040123830, 2080247660]

約数ペア:

[(1, 2080247660), (2, 1040123830), (4, 520061915), (5, 416049532), (10, 208024766), (20, 104012383), (1319, 1577140), (2638, 788570), (5276, 394285), (6595, 315428), (13190, 157714), (26380, 78857)]