77200840

素因数分解:

$2^3\times 5^1\times {\mathrm{1930021}}^1$

素因数の和:1930032

約数の個数: 16

約数和(自身を含む): 173701980

約数和(自身を除く): 96501140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1930021, 3860042, 7720084, 9650105, 15440168, 19300210, 38600420, 77200840]

約数ペア:

[(1, 77200840), (2, 38600420), (4, 19300210), (5, 15440168), (8, 9650105), (10, 7720084), (20, 3860042), (40, 1930021)]