67591340

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{8263}}^1$

素因数の和:8681

約数の個数: 24

約数和(自身を含む): 142306080

約数和(自身を除く): 74714740

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 8263, 16526, 33052, 41315, 82630, 165260, 3379567, 6759134, 13518268, 16897835, 33795670, 67591340]

約数ペア:

[(1, 67591340), (2, 33795670), (4, 16897835), (5, 13518268), (10, 6759134), (20, 3379567), (409, 165260), (818, 82630), (1636, 41315), (2045, 33052), (4090, 16526), (8180, 8263)]