91707880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 226255680

約数和(自身を除く): 134547800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 257, 440, 514, 811, 1028, 1285, 1622, 2056, 2570, 2827, 3244, 4055, 5140, 5654, 6488, 8110, 8921, 10280, 11308, 14135, 16220, 17842, 22616, 28270, 32440, 35684, 44605, 56540, 71368, 89210, 113080, 178420, 208427, 356840, 416854, 833708, 1042135, 1667416, 2084270, 2292697, 4168540, 4585394, 8337080, 9170788, 11463485, 18341576, 22926970, 45853940, 91707880]

約数ペア:

[(1, 91707880), (2, 45853940), (4, 22926970), (5, 18341576), (8, 11463485), (10, 9170788), (11, 8337080), (20, 4585394), (22, 4168540), (40, 2292697), (44, 2084270), (55, 1667416), (88, 1042135), (110, 833708), (220, 416854), (257, 356840), (440, 208427), (514, 178420), (811, 113080), (1028, 89210), (1285, 71368), (1622, 56540), (2056, 44605), (2570, 35684), (2827, 32440), (3244, 28270), (4055, 22616), (5140, 17842), (5654, 16220), (6488, 14135), (8110, 11308), (8921, 10280)]