4080785420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1\times {\mathrm{12107}}^1$

素因数の和:13022

約数の個数: 48

約数和(自身を含む): 9031599360

約数和(自身を除く): 4950813940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 887, 1774, 3548, 4435, 8870, 12107, 16853, 17740, 24214, 33706, 48428, 60535, 67412, 84265, 121070, 168530, 230033, 242140, 337060, 460066, 920132, 1150165, 2300330, 4600660, 10738909, 21477818, 42955636, 53694545, 107389090, 204039271, 214778180, 408078542, 816157084, 1020196355, 2040392710, 4080785420]

約数ペア:

[(1, 4080785420), (2, 2040392710), (4, 1020196355), (5, 816157084), (10, 408078542), (19, 214778180), (20, 204039271), (38, 107389090), (76, 53694545), (95, 42955636), (190, 21477818), (380, 10738909), (887, 4600660), (1774, 2300330), (3548, 1150165), (4435, 920132), (8870, 460066), (12107, 337060), (16853, 242140), (17740, 230033), (24214, 168530), (33706, 121070), (48428, 84265), (60535, 67412)]