12491000

素因数分解:

$2^3\times 5^3\times {\mathrm{12491}}^1$

素因数の和:12512

約数の個数: 32

約数和(自身を含む): 29231280

約数和(自身を除く): 16740280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 12491, 24982, 49964, 62455, 99928, 124910, 249820, 312275, 499640, 624550, 1249100, 1561375, 2498200, 3122750, 6245500, 12491000]

約数ペア:

[(1, 12491000), (2, 6245500), (4, 3122750), (5, 2498200), (8, 1561375), (10, 1249100), (20, 624550), (25, 499640), (40, 312275), (50, 249820), (100, 124910), (125, 99928), (200, 62455), (250, 49964), (500, 24982), (1000, 12491)]