42674180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21997}}^1$

素因数の和:22103

約数の個数: 24

約数和(自身を含む): 90543768

約数和(自身を除く): 47869588

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 21997, 43994, 87988, 109985, 219970, 439940, 2133709, 4267418, 8534836, 10668545, 21337090, 42674180]

約数ペア:

[(1, 42674180), (2, 21337090), (4, 10668545), (5, 8534836), (10, 4267418), (20, 2133709), (97, 439940), (194, 219970), (388, 109985), (485, 87988), (970, 43994), (1940, 21997)]