164059880

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{4463}}^1$

素因数の和:5393

約数の個数: 32

約数和(自身を含む): 369619200

約数和(自身を除く): 205559320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 3676, 4463, 4595, 7352, 8926, 9190, 17852, 18380, 22315, 35704, 36760, 44630, 89260, 178520, 4101497, 8202994, 16405988, 20507485, 32811976, 41014970, 82029940, 164059880]

約数ペア:

[(1, 164059880), (2, 82029940), (4, 41014970), (5, 32811976), (8, 20507485), (10, 16405988), (20, 8202994), (40, 4101497), (919, 178520), (1838, 89260), (3676, 44630), (4463, 36760), (4595, 35704), (7352, 22315), (8926, 18380), (9190, 17852)]