85488280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52127}}^1$

素因数の和:52179

約数の個数: 32

約数和(自身を含む): 197043840

約数和(自身を除く): 111555560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 52127, 104254, 208508, 260635, 417016, 521270, 1042540, 2085080, 2137207, 4274414, 8548828, 10686035, 17097656, 21372070, 42744140, 85488280]

約数ペア:

[(1, 85488280), (2, 42744140), (4, 21372070), (5, 17097656), (8, 10686035), (10, 8548828), (20, 4274414), (40, 2137207), (41, 2085080), (82, 1042540), (164, 521270), (205, 417016), (328, 260635), (410, 208508), (820, 104254), (1640, 52127)]