68777980

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{3877}}^1$

素因数の和:4773

約数の個数: 24

約数和(自身を含む): 144633888

約数和(自身を除く): 75855908

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 3877, 4435, 7754, 8870, 15508, 17740, 19385, 38770, 77540, 3438899, 6877798, 13755596, 17194495, 34388990, 68777980]

約数ペア:

[(1, 68777980), (2, 34388990), (4, 17194495), (5, 13755596), (10, 6877798), (20, 3438899), (887, 77540), (1774, 38770), (3548, 19385), (3877, 17740), (4435, 15508), (7754, 8870)]