73217720

素因数分解:

$2^3\times 5^1\times {\mathrm{1830443}}^1$

素因数の和:1830454

約数の個数: 16

約数和(自身を含む): 164739960

約数和(自身を除く): 91522240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1830443, 3660886, 7321772, 9152215, 14643544, 18304430, 36608860, 73217720]

約数ペア:

[(1, 73217720), (2, 36608860), (4, 18304430), (5, 14643544), (8, 9152215), (10, 7321772), (20, 3660886), (40, 1830443)]