247363640

素因数分解:

$2^3\times 5^1\times {\mathrm{6184091}}^1$

素因数の和:6184102

約数の個数: 16

約数和(自身を含む): 556568280

約数和(自身を除く): 309204640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6184091, 12368182, 24736364, 30920455, 49472728, 61840910, 123681820, 247363640]

約数ペア:

[(1, 247363640), (2, 123681820), (4, 61840910), (5, 49472728), (8, 30920455), (10, 24736364), (20, 12368182), (40, 6184091)]