123423640

素因数分解:

$2^3\times 5^1\times {\mathrm{3085591}}^1$

素因数の和:3085602

約数の個数: 16

約数和(自身を含む): 277703280

約数和(自身を除く): 154279640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3085591, 6171182, 12342364, 15427955, 24684728, 30855910, 61711820, 123423640]

約数ペア:

[(1, 123423640), (2, 61711820), (4, 30855910), (5, 24684728), (8, 15427955), (10, 12342364), (20, 6171182), (40, 3085591)]