68139020

素因数分解:

$2^2\times 5^1\times {\mathrm{1523}}^1\times {\mathrm{2237}}^1$

素因数の和:3769

約数の個数: 24

約数和(自身を含む): 143249904

約数和(自身を除く): 75110884

約数列:

[1, 2, 4, 5, 10, 20, 1523, 2237, 3046, 4474, 6092, 7615, 8948, 11185, 15230, 22370, 30460, 44740, 3406951, 6813902, 13627804, 17034755, 34069510, 68139020]

約数ペア:

[(1, 68139020), (2, 34069510), (4, 17034755), (5, 13627804), (10, 6813902), (20, 3406951), (1523, 44740), (2237, 30460), (3046, 22370), (4474, 15230), (6092, 11185), (7615, 8948)]