8268380

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1249}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 17430000

約数和(自身を除く): 9161620

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1249, 1324, 1655, 2498, 3310, 4996, 6245, 6620, 12490, 24980, 413419, 826838, 1653676, 2067095, 4134190, 8268380]

約数ペア:

[(1, 8268380), (2, 4134190), (4, 2067095), (5, 1653676), (10, 826838), (20, 413419), (331, 24980), (662, 12490), (1249, 6620), (1324, 6245), (1655, 4996), (2498, 3310)]