12721340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17191}}^1$

素因数の和:17237

約数の個数: 24

約数和(自身を含む): 27438432

約数和(自身を除く): 14717092

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 17191, 34382, 68764, 85955, 171910, 343820, 636067, 1272134, 2544268, 3180335, 6360670, 12721340]

約数ペア:

[(1, 12721340), (2, 6360670), (4, 3180335), (5, 2544268), (10, 1272134), (20, 636067), (37, 343820), (74, 171910), (148, 85955), (185, 68764), (370, 34382), (740, 17191)]