40017500

素因数分解:

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

素因数の和:16031

約数の個数: 30

約数和(自身を含む): 87515736

約数和(自身を除く): 47498236

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 16007, 32014, 64028, 80035, 160070, 320140, 400175, 800350, 1600700, 2000875, 4001750, 8003500, 10004375, 20008750, 40017500]

約数ペア:

[(1, 40017500), (2, 20008750), (4, 10004375), (5, 8003500), (10, 4001750), (20, 2000875), (25, 1600700), (50, 800350), (100, 400175), (125, 320140), (250, 160070), (500, 80035), (625, 64028), (1250, 32014), (2500, 16007)]