8959480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5209}}^1$

素因数の和:5263

約数の個数: 32

約数和(自身を含む): 20631600

約数和(自身を除く): 11672120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5209, 10418, 20836, 26045, 41672, 52090, 104180, 208360, 223987, 447974, 895948, 1119935, 1791896, 2239870, 4479740, 8959480]

約数ペア:

[(1, 8959480), (2, 4479740), (4, 2239870), (5, 1791896), (8, 1119935), (10, 895948), (20, 447974), (40, 223987), (43, 208360), (86, 104180), (172, 52090), (215, 41672), (344, 26045), (430, 20836), (860, 10418), (1720, 5209)]