12791000

素因数分解:

$2^3\times 5^3\times {\mathrm{12791}}^1$

素因数の和:12812

約数の個数: 32

約数和(自身を含む): 29933280

約数和(自身を除く): 17142280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 12791, 25582, 51164, 63955, 102328, 127910, 255820, 319775, 511640, 639550, 1279100, 1598875, 2558200, 3197750, 6395500, 12791000]

約数ペア:

[(1, 12791000), (2, 6395500), (4, 3197750), (5, 2558200), (8, 1598875), (10, 1279100), (20, 639550), (25, 511640), (40, 319775), (50, 255820), (100, 127910), (125, 102328), (200, 63955), (250, 51164), (500, 25582), (1000, 12791)]