83748920

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1637}}^1$

素因数の和:2927

約数の個数: 32

約数和(自身を含む): 188697600

約数和(自身を除く): 104948680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 1637, 2558, 3274, 5116, 6395, 6548, 8185, 10232, 12790, 13096, 16370, 25580, 32740, 51160, 65480, 2093723, 4187446, 8374892, 10468615, 16749784, 20937230, 41874460, 83748920]

約数ペア:

[(1, 83748920), (2, 41874460), (4, 20937230), (5, 16749784), (8, 10468615), (10, 8374892), (20, 4187446), (40, 2093723), (1279, 65480), (1637, 51160), (2558, 32740), (3274, 25580), (5116, 16370), (6395, 13096), (6548, 12790), (8185, 10232)]