66780920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{28297}}^1$

素因数の和:28367

約数の個数: 32

約数和(自身を含む): 152809200

約数和(自身を除く): 86028280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 28297, 56594, 113188, 141485, 226376, 282970, 565940, 1131880, 1669523, 3339046, 6678092, 8347615, 13356184, 16695230, 33390460, 66780920]

約数ペア:

[(1, 66780920), (2, 33390460), (4, 16695230), (5, 13356184), (8, 8347615), (10, 6678092), (20, 3339046), (40, 1669523), (59, 1131880), (118, 565940), (236, 282970), (295, 226376), (472, 141485), (590, 113188), (1180, 56594), (2360, 28297)]