28216720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50387}}^1$

素因数の和:50407

約数の個数: 40

約数和(自身を含む): 74977344

約数和(自身を除く): 46760624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50387, 100774, 201548, 251935, 352709, 403096, 503870, 705418, 806192, 1007740, 1410836, 1763545, 2015480, 2821672, 3527090, 4030960, 5643344, 7054180, 14108360, 28216720]

約数ペア:

[(1, 28216720), (2, 14108360), (4, 7054180), (5, 5643344), (7, 4030960), (8, 3527090), (10, 2821672), (14, 2015480), (16, 1763545), (20, 1410836), (28, 1007740), (35, 806192), (40, 705418), (56, 503870), (70, 403096), (80, 352709), (112, 251935), (140, 201548), (280, 100774), (560, 50387)]