80887280

素因数分解:

$2^4\times 5^1\times {\mathrm{1011091}}^1$

素因数の和:1011104

約数の個数: 20

約数和(自身を含む): 188063112

約数和(自身を除く): 107175832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1011091, 2022182, 4044364, 5055455, 8088728, 10110910, 16177456, 20221820, 40443640, 80887280]

約数ペア:

[(1, 80887280), (2, 40443640), (4, 20221820), (5, 16177456), (8, 10110910), (10, 8088728), (16, 5055455), (20, 4044364), (40, 2022182), (80, 1011091)]