79761520

素因数分解:

$2^4\times 5^1\times {\mathrm{997019}}^1$

素因数の和:997032

約数の個数: 20

約数和(自身を含む): 185445720

約数和(自身を除く): 105684200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997019, 1994038, 3988076, 4985095, 7976152, 9970190, 15952304, 19940380, 39880760, 79761520]

約数ペア:

[(1, 79761520), (2, 39880760), (4, 19940380), (5, 15952304), (8, 9970190), (10, 7976152), (16, 4985095), (20, 3988076), (40, 1994038), (80, 997019)]