542780120

素因数分解:

$2^3\times 5^1\times {\mathrm{13569503}}^1$

素因数の和:13569514

約数の個数: 16

約数和(自身を含む): 1221255360

約数和(自身を除く): 678475240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13569503, 27139006, 54278012, 67847515, 108556024, 135695030, 271390060, 542780120]

約数ペア:

[(1, 542780120), (2, 271390060), (4, 135695030), (5, 108556024), (8, 67847515), (10, 54278012), (20, 27139006), (40, 13569503)]