77621920

素因数分解:

$2^5\times 5^1\times {\mathrm{485137}}^1$

素因数の和:485152

約数の個数: 24

約数和(自身を含む): 183382164

約数和(自身を除く): 105760244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 485137, 970274, 1940548, 2425685, 3881096, 4851370, 7762192, 9702740, 15524384, 19405480, 38810960, 77621920]

約数ペア:

[(1, 77621920), (2, 38810960), (4, 19405480), (5, 15524384), (8, 9702740), (10, 7762192), (16, 4851370), (20, 3881096), (32, 2425685), (40, 1940548), (80, 970274), (160, 485137)]