77977220

素因数分解:

$2^2\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{2017}}^1$

素因数の和:3959

約数の個数: 24

約数和(自身を含む): 163918104

約数和(自身を除く): 85940884

約数列:

[1, 2, 4, 5, 10, 20, 1933, 2017, 3866, 4034, 7732, 8068, 9665, 10085, 19330, 20170, 38660, 40340, 3898861, 7797722, 15595444, 19494305, 38988610, 77977220]

約数ペア:

[(1, 77977220), (2, 38988610), (4, 19494305), (5, 15595444), (10, 7797722), (20, 3898861), (1933, 40340), (2017, 38660), (3866, 20170), (4034, 19330), (7732, 10085), (8068, 9665)]