77961040

素因数分解:

$2^4\times 5^1\times {\mathrm{974513}}^1$

素因数の和:974526

約数の個数: 20

約数和(自身を含む): 181259604

約数和(自身を除く): 103298564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 974513, 1949026, 3898052, 4872565, 7796104, 9745130, 15592208, 19490260, 38980520, 77961040]

約数ペア:

[(1, 77961040), (2, 38980520), (4, 19490260), (5, 15592208), (8, 9745130), (10, 7796104), (16, 4872565), (20, 3898052), (40, 1949026), (80, 974513)]