71128180

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{15667}}^1$

素因数の和:15903

約数の個数: 24

約数和(自身を含む): 150036768

約数和(自身を除く): 78908588

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 15667, 31334, 62668, 78335, 156670, 313340, 3556409, 7112818, 14225636, 17782045, 35564090, 71128180]

約数ペア:

[(1, 71128180), (2, 35564090), (4, 17782045), (5, 14225636), (10, 7112818), (20, 3556409), (227, 313340), (454, 156670), (908, 78335), (1135, 62668), (2270, 31334), (4540, 15667)]