80821804

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{39541}}^1$

素因数の和:39625

約数の個数: 24

約数和(自身を含む): 163862048

約数和(自身を除く): 83040244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 39541, 79082, 158164, 276787, 553574, 1107148, 2886493, 5772986, 11545972, 20205451, 40410902, 80821804]

約数ペア:

[(1, 80821804), (2, 40410902), (4, 20205451), (7, 11545972), (14, 5772986), (28, 2886493), (73, 1107148), (146, 553574), (292, 276787), (511, 158164), (1022, 79082), (2044, 39541)]