40320448

素因数分解:

$2^6\times 7^1\times {\mathrm{90001}}^1$

素因数の和:90020

約数の個数: 28

約数和(自身を含む): 91442032

約数和(自身を除く): 51121584

約数列:

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

約数ペア:

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