4251640

素因数分解:

$2^3\times 5^1\times {\mathrm{106291}}^1$

素因数の和:106302

約数の個数: 16

約数和(自身を含む): 9566280

約数和(自身を除く): 5314640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 106291, 212582, 425164, 531455, 850328, 1062910, 2125820, 4251640]

約数ペア:

[(1, 4251640), (2, 2125820), (4, 1062910), (5, 850328), (8, 531455), (10, 425164), (20, 212582), (40, 106291)]