51802160

素因数分解:

$2^4\times 5^1\times {\mathrm{647527}}^1$

素因数の和:647540

約数の個数: 20

約数和(自身を含む): 120440208

約数和(自身を除く): 68638048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647527, 1295054, 2590108, 3237635, 5180216, 6475270, 10360432, 12950540, 25901080, 51802160]

約数ペア:

[(1, 51802160), (2, 25901080), (4, 12950540), (5, 10360432), (8, 6475270), (10, 5180216), (16, 3237635), (20, 2590108), (40, 1295054), (80, 647527)]