8254840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 20619360

約数和(自身を除く): 12364520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 257, 292, 365, 440, 514, 584, 730, 803, 1028, 1285, 1460, 1606, 2056, 2570, 2827, 2920, 3212, 4015, 5140, 5654, 6424, 8030, 10280, 11308, 14135, 16060, 18761, 22616, 28270, 32120, 37522, 56540, 75044, 93805, 113080, 150088, 187610, 206371, 375220, 412742, 750440, 825484, 1031855, 1650968, 2063710, 4127420, 8254840]

約数ペア:

[(1, 8254840), (2, 4127420), (4, 2063710), (5, 1650968), (8, 1031855), (10, 825484), (11, 750440), (20, 412742), (22, 375220), (40, 206371), (44, 187610), (55, 150088), (73, 113080), (88, 93805), (110, 75044), (146, 56540), (220, 37522), (257, 32120), (292, 28270), (365, 22616), (440, 18761), (514, 16060), (584, 14135), (730, 11308), (803, 10280), (1028, 8030), (1285, 6424), (1460, 5654), (1606, 5140), (2056, 4015), (2570, 3212), (2827, 2920)]