6386980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7789}}^1$

素因数の和:7839

約数の個数: 24

約数和(自身を含む): 13741560

約数和(自身を除く): 7354580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 7789, 15578, 31156, 38945, 77890, 155780, 319349, 638698, 1277396, 1596745, 3193490, 6386980]

約数ペア:

[(1, 6386980), (2, 3193490), (4, 1596745), (5, 1277396), (10, 638698), (20, 319349), (41, 155780), (82, 77890), (164, 38945), (205, 31156), (410, 15578), (820, 7789)]