672620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 1537200

約数和(自身を除く): 864580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 199, 260, 338, 398, 676, 796, 845, 995, 1690, 1990, 2587, 3380, 3980, 5174, 10348, 12935, 25870, 33631, 51740, 67262, 134524, 168155, 336310, 672620]

約数ペア:

[(1, 672620), (2, 336310), (4, 168155), (5, 134524), (10, 67262), (13, 51740), (20, 33631), (26, 25870), (52, 12935), (65, 10348), (130, 5174), (169, 3980), (199, 3380), (260, 2587), (338, 1990), (398, 1690), (676, 995), (796, 845)]