66765740

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{4931}}^1$

素因数の和:5617

約数の個数: 24

約数和(自身を含む): 140443632

約数和(自身を除く): 73677892

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 2708, 3385, 4931, 6770, 9862, 13540, 19724, 24655, 49310, 98620, 3338287, 6676574, 13353148, 16691435, 33382870, 66765740]

約数ペア:

[(1, 66765740), (2, 33382870), (4, 16691435), (5, 13353148), (10, 6676574), (20, 3338287), (677, 98620), (1354, 49310), (2708, 24655), (3385, 19724), (4931, 13540), (6770, 9862)]