80923360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72253}}^1$

素因数の和:72275

約数の個数: 48

約数和(自身を含む): 218496096

約数和(自身を除く): 137572736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72253, 144506, 289012, 361265, 505771, 578024, 722530, 1011542, 1156048, 1445060, 2023084, 2312096, 2528855, 2890120, 4046168, 5057710, 5780240, 8092336, 10115420, 11560480, 16184672, 20230840, 40461680, 80923360]

約数ペア:

[(1, 80923360), (2, 40461680), (4, 20230840), (5, 16184672), (7, 11560480), (8, 10115420), (10, 8092336), (14, 5780240), (16, 5057710), (20, 4046168), (28, 2890120), (32, 2528855), (35, 2312096), (40, 2023084), (56, 1445060), (70, 1156048), (80, 1011542), (112, 722530), (140, 578024), (160, 505771), (224, 361265), (280, 289012), (560, 144506), (1120, 72253)]