12780260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37589}}^1$

素因数の和:37615

約数の個数: 24

約数和(自身を含む): 28418040

約数和(自身を除く): 15637780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 37589, 75178, 150356, 187945, 375890, 639013, 751780, 1278026, 2556052, 3195065, 6390130, 12780260]

約数ペア:

[(1, 12780260), (2, 6390130), (4, 3195065), (5, 2556052), (10, 1278026), (17, 751780), (20, 639013), (34, 375890), (68, 187945), (85, 150356), (170, 75178), (340, 37589)]