8218780

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{677}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 17313408

約数和(自身を除く): 9094628

約数列:

[1, 2, 4, 5, 10, 20, 607, 677, 1214, 1354, 2428, 2708, 3035, 3385, 6070, 6770, 12140, 13540, 410939, 821878, 1643756, 2054695, 4109390, 8218780]

約数ペア:

[(1, 8218780), (2, 4109390), (4, 2054695), (5, 1643756), (10, 821878), (20, 410939), (607, 13540), (677, 12140), (1214, 6770), (1354, 6070), (2428, 3385), (2708, 3035)]