66027880

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4987}}^1$

素因数の和:5329

約数の個数: 32

約数和(自身を含む): 149041440

約数和(自身を除く): 83013560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 4987, 6620, 9974, 13240, 19948, 24935, 39896, 49870, 99740, 199480, 1650697, 3301394, 6602788, 8253485, 13205576, 16506970, 33013940, 66027880]

約数ペア:

[(1, 66027880), (2, 33013940), (4, 16506970), (5, 13205576), (8, 8253485), (10, 6602788), (20, 3301394), (40, 1650697), (331, 199480), (662, 99740), (1324, 49870), (1655, 39896), (2648, 24935), (3310, 19948), (4987, 13240), (6620, 9974)]