220105520

素因数分解:

$2^4\times 5^1\times {\mathrm{2751319}}^1$

素因数の和:2751332

約数の個数: 20

約数和(自身を含む): 511745520

約数和(自身を除く): 291640000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2751319, 5502638, 11005276, 13756595, 22010552, 27513190, 44021104, 55026380, 110052760, 220105520]

約数ペア:

[(1, 220105520), (2, 110052760), (4, 55026380), (5, 44021104), (8, 27513190), (10, 22010552), (16, 13756595), (20, 11005276), (40, 5502638), (80, 2751319)]