77290520

素因数分解:

$2^3\times 5^1\times {\mathrm{1932263}}^1$

素因数の和:1932274

約数の個数: 16

約数和(自身を含む): 173903760

約数和(自身を除く): 96613240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1932263, 3864526, 7729052, 9661315, 15458104, 19322630, 38645260, 77290520]

約数ペア:

[(1, 77290520), (2, 38645260), (4, 19322630), (5, 15458104), (8, 9661315), (10, 7729052), (20, 3864526), (40, 1932263)]