12423280

素因数分解:

$2^4\times 5^1\times {\mathrm{155291}}^1$

素因数の和:155304

約数の個数: 20

約数和(自身を含む): 28884312

約数和(自身を除く): 16461032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155291, 310582, 621164, 776455, 1242328, 1552910, 2484656, 3105820, 6211640, 12423280]

約数ペア:

[(1, 12423280), (2, 6211640), (4, 3105820), (5, 2484656), (8, 1552910), (10, 1242328), (16, 776455), (20, 621164), (40, 310582), (80, 155291)]