85521080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52147}}^1$

素因数の和:52199

約数の個数: 32

約数和(自身を含む): 197119440

約数和(自身を除く): 111598360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 52147, 104294, 208588, 260735, 417176, 521470, 1042940, 2085880, 2138027, 4276054, 8552108, 10690135, 17104216, 21380270, 42760540, 85521080]

約数ペア:

[(1, 85521080), (2, 42760540), (4, 21380270), (5, 17104216), (8, 10690135), (10, 8552108), (20, 4276054), (40, 2138027), (41, 2085880), (82, 1042940), (164, 521470), (205, 417176), (328, 260735), (410, 208588), (820, 104294), (1640, 52147)]