8380640

素因数分解:

$2^5\times 5^1\times {\mathrm{52379}}^1$

素因数の和:52394

約数の個数: 24

約数和(自身を含む): 19799640

約数和(自身を除く): 11419000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 52379, 104758, 209516, 261895, 419032, 523790, 838064, 1047580, 1676128, 2095160, 4190320, 8380640]

約数ペア:

[(1, 8380640), (2, 4190320), (4, 2095160), (5, 1676128), (8, 1047580), (10, 838064), (16, 523790), (20, 419032), (32, 261895), (40, 209516), (80, 104758), (160, 52379)]