9439240

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{643}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 21329280

約数和(自身を除く): 11890040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 643, 734, 1286, 1468, 1835, 2572, 2936, 3215, 3670, 5144, 6430, 7340, 12860, 14680, 25720, 235981, 471962, 943924, 1179905, 1887848, 2359810, 4719620, 9439240]

約数ペア:

[(1, 9439240), (2, 4719620), (4, 2359810), (5, 1887848), (8, 1179905), (10, 943924), (20, 471962), (40, 235981), (367, 25720), (643, 14680), (734, 12860), (1286, 7340), (1468, 6430), (1835, 5144), (2572, 3670), (2936, 3215)]