201500720

素因数分解:

$2^4\times 5^1\times {\mathrm{2518759}}^1$

素因数の和:2518772

約数の個数: 20

約数和(自身を含む): 468489360

約数和(自身を除く): 266988640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2518759, 5037518, 10075036, 12593795, 20150072, 25187590, 40300144, 50375180, 100750360, 201500720]

約数ペア:

[(1, 201500720), (2, 100750360), (4, 50375180), (5, 40300144), (8, 25187590), (10, 20150072), (16, 12593795), (20, 10075036), (40, 5037518), (80, 2518759)]