39842120

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4133}}^1$

素因数の和:4385

約数の個数: 32

約数和(自身を含む): 90038520

約数和(自身を除く): 50196400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4133, 4820, 8266, 9640, 16532, 20665, 33064, 41330, 82660, 165320, 996053, 1992106, 3984212, 4980265, 7968424, 9960530, 19921060, 39842120]

約数ペア:

[(1, 39842120), (2, 19921060), (4, 9960530), (5, 7968424), (8, 4980265), (10, 3984212), (20, 1992106), (40, 996053), (241, 165320), (482, 82660), (964, 41330), (1205, 33064), (1928, 20665), (2410, 16532), (4133, 9640), (4820, 8266)]