6481520

素因数分解:

$2^4\times 5^1\times {\mathrm{81019}}^1$

素因数の和:81032

約数の個数: 20

約数和(自身を含む): 15069720

約数和(自身を除く): 8588200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81019, 162038, 324076, 405095, 648152, 810190, 1296304, 1620380, 3240760, 6481520]

約数ペア:

[(1, 6481520), (2, 3240760), (4, 1620380), (5, 1296304), (8, 810190), (10, 648152), (16, 405095), (20, 324076), (40, 162038), (80, 81019)]