542781520

素因数分解:

$2^4\times 5^1\times {\mathrm{6784769}}^1$

素因数の和:6784782

約数の個数: 20

約数和(自身を含む): 1261967220

約数和(自身を除く): 719185700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6784769, 13569538, 27139076, 33923845, 54278152, 67847690, 108556304, 135695380, 271390760, 542781520]

約数ペア:

[(1, 542781520), (2, 271390760), (4, 135695380), (5, 108556304), (8, 67847690), (10, 54278152), (16, 33923845), (20, 27139076), (40, 13569538), (80, 6784769)]