12603920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 34069248

約数和(自身を除く): 21465328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 317, 355, 497, 560, 568, 634, 710, 994, 1136, 1268, 1420, 1585, 1988, 2219, 2485, 2536, 2840, 3170, 3976, 4438, 4970, 5072, 5680, 6340, 7952, 8876, 9940, 11095, 12680, 17752, 19880, 22190, 22507, 25360, 35504, 39760, 44380, 45014, 88760, 90028, 112535, 157549, 177520, 180056, 225070, 315098, 360112, 450140, 630196, 787745, 900280, 1260392, 1575490, 1800560, 2520784, 3150980, 6301960, 12603920]

約数ペア:

[(1, 12603920), (2, 6301960), (4, 3150980), (5, 2520784), (7, 1800560), (8, 1575490), (10, 1260392), (14, 900280), (16, 787745), (20, 630196), (28, 450140), (35, 360112), (40, 315098), (56, 225070), (70, 180056), (71, 177520), (80, 157549), (112, 112535), (140, 90028), (142, 88760), (280, 45014), (284, 44380), (317, 39760), (355, 35504), (497, 25360), (560, 22507), (568, 22190), (634, 19880), (710, 17752), (994, 12680), (1136, 11095), (1268, 9940), (1420, 8876), (1585, 7952), (1988, 6340), (2219, 5680), (2485, 5072), (2536, 4970), (2840, 4438), (3170, 3976)]