20008750

素因数分解:

$2^1\times 5^4\times {\mathrm{16007}}^1$

素因数の和:16029

約数の個数: 20

約数和(自身を含む): 37506744

約数和(自身を除く): 17497994

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16007, 32014, 80035, 160070, 400175, 800350, 2000875, 4001750, 10004375, 20008750]

約数ペア:

[(1, 20008750), (2, 10004375), (5, 4001750), (10, 2000875), (25, 800350), (50, 400175), (125, 160070), (250, 80035), (625, 32014), (1250, 16007)]