80450480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8311}}^1$

素因数の和:8346

約数の個数: 60

約数和(自身を含む): 205622256

約数和(自身を除く): 125171776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 8311, 9680, 16622, 33244, 41555, 66488, 83110, 91421, 132976, 166220, 182842, 332440, 365684, 457105, 664880, 731368, 914210, 1005631, 1462736, 1828420, 2011262, 3656840, 4022524, 5028155, 7313680, 8045048, 10056310, 16090096, 20112620, 40225240, 80450480]

約数ペア:

[(1, 80450480), (2, 40225240), (4, 20112620), (5, 16090096), (8, 10056310), (10, 8045048), (11, 7313680), (16, 5028155), (20, 4022524), (22, 3656840), (40, 2011262), (44, 1828420), (55, 1462736), (80, 1005631), (88, 914210), (110, 731368), (121, 664880), (176, 457105), (220, 365684), (242, 332440), (440, 182842), (484, 166220), (605, 132976), (880, 91421), (968, 83110), (1210, 66488), (1936, 41555), (2420, 33244), (4840, 16622), (8311, 9680)]