12804005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2543}}^1$

素因数の和:2620

約数の個数: 16

約数和(自身を含む): 16485120

約数和(自身を除く): 3681115

約数列:

[1, 5, 19, 53, 95, 265, 1007, 2543, 5035, 12715, 48317, 134779, 241585, 673895, 2560801, 12804005]

約数ペア:

[(1, 12804005), (5, 2560801), (19, 673895), (53, 241585), (95, 134779), (265, 48317), (1007, 12715), (2543, 5035)]