68403340

素因数分解:

$2^2\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{2593}}^1$

素因数の和:3921

約数の個数: 24

約数和(自身を含む): 143811360

約数和(自身を除く): 75408020

約数列:

[1, 2, 4, 5, 10, 20, 1319, 2593, 2638, 5186, 5276, 6595, 10372, 12965, 13190, 25930, 26380, 51860, 3420167, 6840334, 13680668, 17100835, 34201670, 68403340]

約数ペア:

[(1, 68403340), (2, 34201670), (4, 17100835), (5, 13680668), (10, 6840334), (20, 3420167), (1319, 51860), (2593, 26380), (2638, 25930), (5186, 13190), (5276, 12965), (6595, 10372)]