63278020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 143942400

約数和(自身を除く): 80664380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1223, 1990, 2446, 2587, 3980, 4892, 5174, 6115, 10348, 12230, 12935, 15899, 24460, 25870, 31798, 51740, 63596, 79495, 158990, 243377, 317980, 486754, 973508, 1216885, 2433770, 3163901, 4867540, 6327802, 12655604, 15819505, 31639010, 63278020]

約数ペア:

[(1, 63278020), (2, 31639010), (4, 15819505), (5, 12655604), (10, 6327802), (13, 4867540), (20, 3163901), (26, 2433770), (52, 1216885), (65, 973508), (130, 486754), (199, 317980), (260, 243377), (398, 158990), (796, 79495), (995, 63596), (1223, 51740), (1990, 31798), (2446, 25870), (2587, 24460), (3980, 15899), (4892, 12935), (5174, 12230), (6115, 10348)]