11538020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 26342400

約数和(自身を除く): 14804380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 223, 260, 398, 446, 796, 892, 995, 1115, 1990, 2230, 2587, 2899, 3980, 4460, 5174, 5798, 10348, 11596, 12935, 14495, 25870, 28990, 44377, 51740, 57980, 88754, 177508, 221885, 443770, 576901, 887540, 1153802, 2307604, 2884505, 5769010, 11538020]

約数ペア:

[(1, 11538020), (2, 5769010), (4, 2884505), (5, 2307604), (10, 1153802), (13, 887540), (20, 576901), (26, 443770), (52, 221885), (65, 177508), (130, 88754), (199, 57980), (223, 51740), (260, 44377), (398, 28990), (446, 25870), (796, 14495), (892, 12935), (995, 11596), (1115, 10348), (1990, 5798), (2230, 5174), (2587, 4460), (2899, 3980)]