80640896

素因数分解:

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

素因数の和:90022

約数の個数: 32

約数和(自身を含む): 183604080

約数和(自身を除く): 102963184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 90001, 180002, 360004, 630007, 720008, 1260014, 1440016, 2520028, 2880032, 5040056, 5760064, 10080112, 11520128, 20160224, 40320448, 80640896]

約数ペア:

[(1, 80640896), (2, 40320448), (4, 20160224), (7, 11520128), (8, 10080112), (14, 5760064), (16, 5040056), (28, 2880032), (32, 2520028), (56, 1440016), (64, 1260014), (112, 720008), (128, 630007), (224, 360004), (448, 180002), (896, 90001)]