80453960

素因数分解:

$2^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{2657}}^1$

素因数の和:3425

約数の個数: 32

約数和(自身を含む): 181328760

約数和(自身を除く): 100874800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 757, 1514, 2657, 3028, 3785, 5314, 6056, 7570, 10628, 13285, 15140, 21256, 26570, 30280, 53140, 106280, 2011349, 4022698, 8045396, 10056745, 16090792, 20113490, 40226980, 80453960]

約数ペア:

[(1, 80453960), (2, 40226980), (4, 20113490), (5, 16090792), (8, 10056745), (10, 8045396), (20, 4022698), (40, 2011349), (757, 106280), (1514, 53140), (2657, 30280), (3028, 26570), (3785, 21256), (5314, 15140), (6056, 13285), (7570, 10628)]