16517680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 41140224

約数和(自身を除く): 24622544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 191, 230, 235, 368, 376, 382, 460, 470, 752, 764, 920, 940, 955, 1081, 1528, 1840, 1880, 1910, 2162, 3056, 3760, 3820, 4324, 4393, 5405, 7640, 8648, 8786, 8977, 10810, 15280, 17296, 17572, 17954, 21620, 21965, 35144, 35908, 43240, 43930, 44885, 70288, 71816, 86480, 87860, 89770, 143632, 175720, 179540, 206471, 351440, 359080, 412942, 718160, 825884, 1032355, 1651768, 2064710, 3303536, 4129420, 8258840, 16517680]

約数ペア:

[(1, 16517680), (2, 8258840), (4, 4129420), (5, 3303536), (8, 2064710), (10, 1651768), (16, 1032355), (20, 825884), (23, 718160), (40, 412942), (46, 359080), (47, 351440), (80, 206471), (92, 179540), (94, 175720), (115, 143632), (184, 89770), (188, 87860), (191, 86480), (230, 71816), (235, 70288), (368, 44885), (376, 43930), (382, 43240), (460, 35908), (470, 35144), (752, 21965), (764, 21620), (920, 17954), (940, 17572), (955, 17296), (1081, 15280), (1528, 10810), (1840, 8977), (1880, 8786), (1910, 8648), (2162, 7640), (3056, 5405), (3760, 4393), (3820, 4324)]