78331340

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{9767}}^1$

素因数の和:10177

約数の個数: 24

約数和(自身を含む): 164922912

約数和(自身を除く): 86591572

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 9767, 19534, 39068, 48835, 97670, 195340, 3916567, 7833134, 15666268, 19582835, 39165670, 78331340]

約数ペア:

[(1, 78331340), (2, 39165670), (4, 19582835), (5, 15666268), (10, 7833134), (20, 3916567), (401, 195340), (802, 97670), (1604, 48835), (2005, 39068), (4010, 19534), (8020, 9767)]