123385720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{106367}}^1$

素因数の和:106407

約数の個数: 32

約数和(自身を含む): 287193600

約数和(自身を除く): 163807880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 106367, 212734, 425468, 531835, 850936, 1063670, 2127340, 3084643, 4254680, 6169286, 12338572, 15423215, 24677144, 30846430, 61692860, 123385720]

約数ペア:

[(1, 123385720), (2, 61692860), (4, 30846430), (5, 24677144), (8, 15423215), (10, 12338572), (20, 6169286), (29, 4254680), (40, 3084643), (58, 2127340), (116, 1063670), (145, 850936), (232, 531835), (290, 425468), (580, 212734), (1160, 106367)]