12347120

素因数分解:

$2^4\times 5^1\times {\mathrm{154339}}^1$

素因数の和:154352

約数の個数: 20

約数和(自身を含む): 28707240

約数和(自身を除く): 16360120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 154339, 308678, 617356, 771695, 1234712, 1543390, 2469424, 3086780, 6173560, 12347120]

約数ペア:

[(1, 12347120), (2, 6173560), (4, 3086780), (5, 2469424), (8, 1543390), (10, 1234712), (16, 771695), (20, 617356), (40, 308678), (80, 154339)]