8725040

素因数分解:

$2^4\times 5^1\times {\mathrm{109063}}^1$

素因数の和:109076

約数の個数: 20

約数和(自身を含む): 20285904

約数和(自身を除く): 11560864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109063, 218126, 436252, 545315, 872504, 1090630, 1745008, 2181260, 4362520, 8725040]

約数ペア:

[(1, 8725040), (2, 4362520), (4, 2181260), (5, 1745008), (8, 1090630), (10, 872504), (16, 545315), (20, 436252), (40, 218126), (80, 109063)]