20160224

素因数分解:

$2^5\times 7^1\times {\mathrm{90001}}^1$

素因数の和:90018

約数の個数: 24

約数和(自身を含む): 45361008

約数和(自身を除く): 25200784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90001, 180002, 360004, 630007, 720008, 1260014, 1440016, 2520028, 2880032, 5040056, 10080112, 20160224]

約数ペア:

[(1, 20160224), (2, 10080112), (4, 5040056), (7, 2880032), (8, 2520028), (14, 1440016), (16, 1260014), (28, 720008), (32, 630007), (56, 360004), (112, 180002), (224, 90001)]