38540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 24

約数和(自身を含む): 84672

約数和(自身を除く): 46132

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3854, 7708, 9635, 19270, 38540]

約数ペア:

[(1, 38540), (2, 19270), (4, 9635), (5, 7708), (10, 3854), (20, 1927), (41, 940), (47, 820), (82, 470), (94, 410), (164, 235), (188, 205)]