406804960

素因数分解:

$2^5\times 5^1\times {\mathrm{2542531}}^1$

素因数の和:2542546

約数の個数: 24

約数和(自身を含む): 961077096

約数和(自身を除く): 554272136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2542531, 5085062, 10170124, 12712655, 20340248, 25425310, 40680496, 50850620, 81360992, 101701240, 203402480, 406804960]

約数ペア:

[(1, 406804960), (2, 203402480), (4, 101701240), (5, 81360992), (8, 50850620), (10, 40680496), (16, 25425310), (20, 20340248), (32, 12712655), (40, 10170124), (80, 5085062), (160, 2542531)]