65666480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1146

約数の個数: 80

約数和(自身を含む): 169060608

約数和(自身を除く): 103394128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1051, 1136, 1420, 1562, 2102, 2840, 3124, 3905, 4204, 5255, 5680, 6248, 7810, 8408, 10510, 11561, 12496, 15620, 16816, 21020, 23122, 31240, 42040, 46244, 57805, 62480, 74621, 84080, 92488, 115610, 149242, 184976, 231220, 298484, 373105, 462440, 596968, 746210, 820831, 924880, 1193936, 1492420, 1641662, 2984840, 3283324, 4104155, 5969680, 6566648, 8208310, 13133296, 16416620, 32833240, 65666480]

約数ペア:

[(1, 65666480), (2, 32833240), (4, 16416620), (5, 13133296), (8, 8208310), (10, 6566648), (11, 5969680), (16, 4104155), (20, 3283324), (22, 2984840), (40, 1641662), (44, 1492420), (55, 1193936), (71, 924880), (80, 820831), (88, 746210), (110, 596968), (142, 462440), (176, 373105), (220, 298484), (284, 231220), (355, 184976), (440, 149242), (568, 115610), (710, 92488), (781, 84080), (880, 74621), (1051, 62480), (1136, 57805), (1420, 46244), (1562, 42040), (2102, 31240), (2840, 23122), (3124, 21020), (3905, 16816), (4204, 15620), (5255, 12496), (5680, 11561), (6248, 10510), (7810, 8408)]