201250640

素因数分解:

$2^4\times 5^1\times {\mathrm{2515633}}^1$

素因数の和:2515646

約数の個数: 20

約数和(自身を含む): 467907924

約数和(自身を除く): 266657284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515633, 5031266, 10062532, 12578165, 20125064, 25156330, 40250128, 50312660, 100625320, 201250640]

約数ペア:

[(1, 201250640), (2, 100625320), (4, 50312660), (5, 40250128), (8, 25156330), (10, 20125064), (16, 12578165), (20, 10062532), (40, 5031266), (80, 2515633)]