8268880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2521}}^1$

素因数の和:2575

約数の個数: 40

約数和(自身を含む): 19701864

約数和(自身を除く): 11432984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2521, 3280, 5042, 10084, 12605, 20168, 25210, 40336, 50420, 100840, 103361, 201680, 206722, 413444, 516805, 826888, 1033610, 1653776, 2067220, 4134440, 8268880]

約数ペア:

[(1, 8268880), (2, 4134440), (4, 2067220), (5, 1653776), (8, 1033610), (10, 826888), (16, 516805), (20, 413444), (40, 206722), (41, 201680), (80, 103361), (82, 100840), (164, 50420), (205, 40336), (328, 25210), (410, 20168), (656, 12605), (820, 10084), (1640, 5042), (2521, 3280)]