39385880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10151}}^1$

素因数の和:10259

約数の個数: 32

約数和(自身を含む): 89540640

約数和(自身を除く): 50154760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 10151, 20302, 40604, 50755, 81208, 101510, 203020, 406040, 984647, 1969294, 3938588, 4923235, 7877176, 9846470, 19692940, 39385880]

約数ペア:

[(1, 39385880), (2, 19692940), (4, 9846470), (5, 7877176), (8, 4923235), (10, 3938588), (20, 1969294), (40, 984647), (97, 406040), (194, 203020), (388, 101510), (485, 81208), (776, 50755), (970, 40604), (1940, 20302), (3880, 10151)]