8281120

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:797

約数の個数: 48

約数和(自身を含む): 19860120

約数和(自身を除く): 11579000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 709, 730, 1168, 1418, 1460, 2336, 2836, 2920, 3545, 5672, 5840, 7090, 11344, 11680, 14180, 22688, 28360, 51757, 56720, 103514, 113440, 207028, 258785, 414056, 517570, 828112, 1035140, 1656224, 2070280, 4140560, 8281120]

約数ペア:

[(1, 8281120), (2, 4140560), (4, 2070280), (5, 1656224), (8, 1035140), (10, 828112), (16, 517570), (20, 414056), (32, 258785), (40, 207028), (73, 113440), (80, 103514), (146, 56720), (160, 51757), (292, 28360), (365, 22688), (584, 14180), (709, 11680), (730, 11344), (1168, 7090), (1418, 5840), (1460, 5672), (2336, 3545), (2836, 2920)]