42482120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10949}}^1$

素因数の和:11057

約数の個数: 32

約数和(自身を含む): 96579000

約数和(自身を除く): 54096880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 10949, 21898, 43796, 54745, 87592, 109490, 218980, 437960, 1062053, 2124106, 4248212, 5310265, 8496424, 10620530, 21241060, 42482120]

約数ペア:

[(1, 42482120), (2, 21241060), (4, 10620530), (5, 8496424), (8, 5310265), (10, 4248212), (20, 2124106), (40, 1062053), (97, 437960), (194, 218980), (388, 109490), (485, 87592), (776, 54745), (970, 43796), (1940, 21898), (3880, 10949)]