12426640

素因数分解:

$2^4\times 5^1\times {\mathrm{155333}}^1$

素因数の和:155346

約数の個数: 20

約数和(自身を含む): 28892124

約数和(自身を除く): 16465484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155333, 310666, 621332, 776665, 1242664, 1553330, 2485328, 3106660, 6213320, 12426640]

約数ペア:

[(1, 12426640), (2, 6213320), (4, 3106660), (5, 2485328), (8, 1553330), (10, 1242664), (16, 776665), (20, 621332), (40, 310666), (80, 155333)]