13439220

素因数分解:

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

素因数の和:5264

約数の個数: 48

約数和(自身を含む): 38512320

約数和(自身を除く): 25073100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 5209, 10418, 15627, 20836, 26045, 31254, 52090, 62508, 78135, 104180, 156270, 223987, 312540, 447974, 671961, 895948, 1119935, 1343922, 2239870, 2687844, 3359805, 4479740, 6719610, 13439220]

約数ペア:

[(1, 13439220), (2, 6719610), (3, 4479740), (4, 3359805), (5, 2687844), (6, 2239870), (10, 1343922), (12, 1119935), (15, 895948), (20, 671961), (30, 447974), (43, 312540), (60, 223987), (86, 156270), (129, 104180), (172, 78135), (215, 62508), (258, 52090), (430, 31254), (516, 26045), (645, 20836), (860, 15627), (1290, 10418), (2580, 5209)]