40197260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1087}}^1$

素因数の和:1182

約数の個数: 36

約数和(自身を含む): 86502528

約数和(自身を除く): 46305268

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1087, 1849, 2174, 3698, 4348, 5435, 7396, 9245, 10870, 18490, 21740, 36980, 46741, 93482, 186964, 233705, 467410, 934820, 2009863, 4019726, 8039452, 10049315, 20098630, 40197260]

約数ペア:

[(1, 40197260), (2, 20098630), (4, 10049315), (5, 8039452), (10, 4019726), (20, 2009863), (43, 934820), (86, 467410), (172, 233705), (215, 186964), (430, 93482), (860, 46741), (1087, 36980), (1849, 21740), (2174, 18490), (3698, 10870), (4348, 9245), (5435, 7396)]