4223420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4493}}^1$

素因数の和:4549

約数の個数: 24

約数和(自身を含む): 9059904

約数和(自身を除く): 4836484

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 4493, 8986, 17972, 22465, 44930, 89860, 211171, 422342, 844684, 1055855, 2111710, 4223420]

約数ペア:

[(1, 4223420), (2, 2111710), (4, 1055855), (5, 844684), (10, 422342), (20, 211171), (47, 89860), (94, 44930), (188, 22465), (235, 17972), (470, 8986), (940, 4493)]