80532160

素因数分解:

$2^6\times 5^1\times {\mathrm{251663}}^1$

素因数の和:251680

約数の個数: 28

約数和(自身を含む): 191767968

約数和(自身を除く): 111235808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 251663, 503326, 1006652, 1258315, 2013304, 2516630, 4026608, 5033260, 8053216, 10066520, 16106432, 20133040, 40266080, 80532160]

約数ペア:

[(1, 80532160), (2, 40266080), (4, 20133040), (5, 16106432), (8, 10066520), (10, 8053216), (16, 5033260), (20, 4026608), (32, 2516630), (40, 2013304), (64, 1258315), (80, 1006652), (160, 503326), (320, 251663)]