205501360

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{30949}}^1$

素因数の和:31045

約数の個数: 40

約数和(自身を含む): 483562800

約数和(自身を除く): 278061440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 30949, 61898, 123796, 154745, 247592, 309490, 495184, 618980, 1237960, 2475920, 2568767, 5137534, 10275068, 12843835, 20550136, 25687670, 41100272, 51375340, 102750680, 205501360]

約数ペア:

[(1, 205501360), (2, 102750680), (4, 51375340), (5, 41100272), (8, 25687670), (10, 20550136), (16, 12843835), (20, 10275068), (40, 5137534), (80, 2568767), (83, 2475920), (166, 1237960), (332, 618980), (415, 495184), (664, 309490), (830, 247592), (1328, 154745), (1660, 123796), (3320, 61898), (6640, 30949)]