13538750

素因数分解:

$2^1\times 5^4\times {\mathrm{10831}}^1$

素因数の和:10853

約数の個数: 20

約数和(自身を含む): 25379376

約数和(自身を除く): 11840626

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 10831, 21662, 54155, 108310, 270775, 541550, 1353875, 2707750, 6769375, 13538750]

約数ペア:

[(1, 13538750), (2, 6769375), (5, 2707750), (10, 1353875), (25, 541550), (50, 270775), (125, 108310), (250, 54155), (625, 21662), (1250, 10831)]