80121685

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 113541120

約数和(自身を除く): 33419435

約数列:

[1, 5, 7, 35, 43, 139, 215, 301, 383, 695, 973, 1505, 1915, 2681, 4865, 5977, 13405, 16469, 29885, 41839, 53237, 82345, 115283, 209195, 266185, 372659, 576415, 1863295, 2289191, 11445955, 16024337, 80121685]

約数ペア:

[(1, 80121685), (5, 16024337), (7, 11445955), (35, 2289191), (43, 1863295), (139, 576415), (215, 372659), (301, 266185), (383, 209195), (695, 115283), (973, 82345), (1505, 53237), (1915, 41839), (2681, 29885), (4865, 16469), (5977, 13405)]