209544080

素因数分解:

$2^4\times 5^1\times {\mathrm{2619301}}^1$

素因数の和:2619314

約数の個数: 20

約数和(自身を含む): 487190172

約数和(自身を除く): 277646092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2619301, 5238602, 10477204, 13096505, 20954408, 26193010, 41908816, 52386020, 104772040, 209544080]

約数ペア:

[(1, 209544080), (2, 104772040), (4, 52386020), (5, 41908816), (8, 26193010), (10, 20954408), (16, 13096505), (20, 10477204), (40, 5238602), (80, 2619301)]