130194640

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2531}}^1$

素因数の和:3187

約数の個数: 40

約数和(自身を含む): 303293088

約数和(自身を除く): 173098448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2531, 2572, 3215, 5062, 5144, 6430, 10124, 10288, 12655, 12860, 20248, 25310, 25720, 40496, 50620, 51440, 101240, 202480, 1627433, 3254866, 6509732, 8137165, 13019464, 16274330, 26038928, 32548660, 65097320, 130194640]

約数ペア:

[(1, 130194640), (2, 65097320), (4, 32548660), (5, 26038928), (8, 16274330), (10, 13019464), (16, 8137165), (20, 6509732), (40, 3254866), (80, 1627433), (643, 202480), (1286, 101240), (2531, 51440), (2572, 50620), (3215, 40496), (5062, 25720), (5144, 25310), (6430, 20248), (10124, 12860), (10288, 12655)]