40937720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23801}}^1$

素因数の和:23855

約数の個数: 32

約数和(自身を含む): 94255920

約数和(自身を除く): 53318200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23801, 47602, 95204, 119005, 190408, 238010, 476020, 952040, 1023443, 2046886, 4093772, 5117215, 8187544, 10234430, 20468860, 40937720]

約数ペア:

[(1, 40937720), (2, 20468860), (4, 10234430), (5, 8187544), (8, 5117215), (10, 4093772), (20, 2046886), (40, 1023443), (43, 952040), (86, 476020), (172, 238010), (215, 190408), (344, 119005), (430, 95204), (860, 47602), (1720, 23801)]