8720164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 16178400

約数和(自身を除く): 7458236

約数列:

[1, 2, 4, 19, 38, 76, 179, 358, 641, 716, 1282, 2564, 3401, 6802, 12179, 13604, 24358, 48716, 114739, 229478, 458956, 2180041, 4360082, 8720164]

約数ペア:

[(1, 8720164), (2, 4360082), (4, 2180041), (19, 458956), (38, 229478), (76, 114739), (179, 48716), (358, 24358), (641, 13604), (716, 12179), (1282, 6802), (2564, 3401)]