40257040

素因数分解:

$2^4\times 5^1\times {\mathrm{503213}}^1$

素因数の和:503226

約数の個数: 20

約数和(自身を含む): 93597804

約数和(自身を除く): 53340764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503213, 1006426, 2012852, 2516065, 4025704, 5032130, 8051408, 10064260, 20128520, 40257040]

約数ペア:

[(1, 40257040), (2, 20128520), (4, 10064260), (5, 8051408), (8, 5032130), (10, 4025704), (16, 2516065), (20, 2012852), (40, 1006426), (80, 503213)]