40671980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47293}}^1$

素因数の和:47345

約数の個数: 24

約数和(自身を含む): 87399312

約数和(自身を除く): 46727332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 47293, 94586, 189172, 236465, 472930, 945860, 2033599, 4067198, 8134396, 10167995, 20335990, 40671980]

約数ペア:

[(1, 40671980), (2, 20335990), (4, 10167995), (5, 8134396), (10, 4067198), (20, 2033599), (43, 945860), (86, 472930), (172, 236465), (215, 189172), (430, 94586), (860, 47293)]