40438820

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9067}}^1$

素因数の和:9299

約数の個数: 24

約数和(自身を含む): 85311744

約数和(自身を除く): 44872924

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 9067, 18134, 36268, 45335, 90670, 181340, 2021941, 4043882, 8087764, 10109705, 20219410, 40438820]

約数ペア:

[(1, 40438820), (2, 20219410), (4, 10109705), (5, 8087764), (10, 4043882), (20, 2021941), (223, 181340), (446, 90670), (892, 45335), (1115, 36268), (2230, 18134), (4460, 9067)]