13860920

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1759}}^1$

素因数の和:1967

約数の個数: 32

約数和(自身を含む): 31363200

約数和(自身を除く): 17502280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1759, 1970, 3518, 3940, 7036, 7880, 8795, 14072, 17590, 35180, 70360, 346523, 693046, 1386092, 1732615, 2772184, 3465230, 6930460, 13860920]

約数ペア:

[(1, 13860920), (2, 6930460), (4, 3465230), (5, 2772184), (8, 1732615), (10, 1386092), (20, 693046), (40, 346523), (197, 70360), (394, 35180), (788, 17590), (985, 14072), (1576, 8795), (1759, 7880), (1970, 7036), (3518, 3940)]