542781560

素因数分解:

$2^3\times 5^1\times {\mathrm{13569539}}^1$

素因数の和:13569550

約数の個数: 16

約数和(自身を含む): 1221258600

約数和(自身を除く): 678477040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13569539, 27139078, 54278156, 67847695, 108556312, 135695390, 271390780, 542781560]

約数ペア:

[(1, 542781560), (2, 271390780), (4, 135695390), (5, 108556312), (8, 67847695), (10, 54278156), (20, 27139078), (40, 13569539)]