11788880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 29462400

約数和(自身を除く): 17673520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 149, 172, 184, 215, 230, 298, 344, 368, 430, 460, 596, 688, 745, 860, 920, 989, 1192, 1490, 1720, 1840, 1978, 2384, 2980, 3427, 3440, 3956, 4945, 5960, 6407, 6854, 7912, 9890, 11920, 12814, 13708, 15824, 17135, 19780, 25628, 27416, 32035, 34270, 39560, 51256, 54832, 64070, 68540, 79120, 102512, 128140, 137080, 147361, 256280, 274160, 294722, 512560, 589444, 736805, 1178888, 1473610, 2357776, 2947220, 5894440, 11788880]

約数ペア:

[(1, 11788880), (2, 5894440), (4, 2947220), (5, 2357776), (8, 1473610), (10, 1178888), (16, 736805), (20, 589444), (23, 512560), (40, 294722), (43, 274160), (46, 256280), (80, 147361), (86, 137080), (92, 128140), (115, 102512), (149, 79120), (172, 68540), (184, 64070), (215, 54832), (230, 51256), (298, 39560), (344, 34270), (368, 32035), (430, 27416), (460, 25628), (596, 19780), (688, 17135), (745, 15824), (860, 13708), (920, 12814), (989, 11920), (1192, 9890), (1490, 7912), (1720, 6854), (1840, 6407), (1978, 5960), (2384, 4945), (2980, 3956), (3427, 3440)]