28337440

素因数分解:

$2^5\times 5^1\times {\mathrm{177109}}^1$

素因数の和:177124

約数の個数: 24

約数和(自身を含む): 66947580

約数和(自身を除く): 38610140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177109, 354218, 708436, 885545, 1416872, 1771090, 2833744, 3542180, 5667488, 7084360, 14168720, 28337440]

約数ペア:

[(1, 28337440), (2, 14168720), (4, 7084360), (5, 5667488), (8, 3542180), (10, 2833744), (16, 1771090), (20, 1416872), (32, 885545), (40, 708436), (80, 354218), (160, 177109)]