8672840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 22239360

約数和(自身を除く): 13566520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 857, 920, 1012, 1265, 1714, 2024, 2530, 3428, 4285, 5060, 6856, 8570, 9427, 10120, 17140, 18854, 19711, 34280, 37708, 39422, 47135, 75416, 78844, 94270, 98555, 157688, 188540, 197110, 216821, 377080, 394220, 433642, 788440, 867284, 1084105, 1734568, 2168210, 4336420, 8672840]

約数ペア:

[(1, 8672840), (2, 4336420), (4, 2168210), (5, 1734568), (8, 1084105), (10, 867284), (11, 788440), (20, 433642), (22, 394220), (23, 377080), (40, 216821), (44, 197110), (46, 188540), (55, 157688), (88, 98555), (92, 94270), (110, 78844), (115, 75416), (184, 47135), (220, 39422), (230, 37708), (253, 34280), (440, 19711), (460, 18854), (506, 17140), (857, 10120), (920, 9427), (1012, 8570), (1265, 6856), (1714, 5060), (2024, 4285), (2530, 3428)]