161082020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{732191}}^1$

素因数の和:732211

約数の個数: 24

約数和(自身を含む): 369024768

約数和(自身を除く): 207942748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 732191, 1464382, 2928764, 3660955, 7321910, 8054101, 14643820, 16108202, 32216404, 40270505, 80541010, 161082020]

約数ペア:

[(1, 161082020), (2, 80541010), (4, 40270505), (5, 32216404), (10, 16108202), (11, 14643820), (20, 8054101), (22, 7321910), (44, 3660955), (55, 2928764), (110, 1464382), (220, 732191)]