68127340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{47977}}^1$

素因数の和:48057

約数の個数: 24

約数和(自身を含む): 145085472

約数和(自身を除く): 76958132

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 47977, 95954, 191908, 239885, 479770, 959540, 3406367, 6812734, 13625468, 17031835, 34063670, 68127340]

約数ペア:

[(1, 68127340), (2, 34063670), (4, 17031835), (5, 13625468), (10, 6812734), (20, 3406367), (71, 959540), (142, 479770), (284, 239885), (355, 191908), (710, 95954), (1420, 47977)]