13009220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 31963008

約数和(自身を除く): 18953788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2161, 3010, 4322, 6020, 8644, 10805, 15127, 21610, 30254, 43220, 60508, 75635, 92923, 151270, 185846, 302540, 371692, 464615, 650461, 929230, 1300922, 1858460, 2601844, 3252305, 6504610, 13009220]

約数ペア:

[(1, 13009220), (2, 6504610), (4, 3252305), (5, 2601844), (7, 1858460), (10, 1300922), (14, 929230), (20, 650461), (28, 464615), (35, 371692), (43, 302540), (70, 185846), (86, 151270), (140, 92923), (172, 75635), (215, 60508), (301, 43220), (430, 30254), (602, 21610), (860, 15127), (1204, 10805), (1505, 8644), (2161, 6020), (3010, 4322)]