12959780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 29465856

約数和(自身を除く): 16506076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 811, 940, 1598, 1622, 3196, 3244, 3995, 4055, 7990, 8110, 13787, 15980, 16220, 27574, 38117, 55148, 68935, 76234, 137870, 152468, 190585, 275740, 381170, 647989, 762340, 1295978, 2591956, 3239945, 6479890, 12959780]

約数ペア:

[(1, 12959780), (2, 6479890), (4, 3239945), (5, 2591956), (10, 1295978), (17, 762340), (20, 647989), (34, 381170), (47, 275740), (68, 190585), (85, 152468), (94, 137870), (170, 76234), (188, 68935), (235, 55148), (340, 38117), (470, 27574), (799, 16220), (811, 15980), (940, 13787), (1598, 8110), (1622, 7990), (3196, 4055), (3244, 3995)]