25679860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 58351104

約数和(自身を除く): 32671244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 1607, 3196, 3214, 3995, 6428, 7990, 8035, 15980, 16070, 27319, 32140, 54638, 75529, 109276, 136595, 151058, 273190, 302116, 377645, 546380, 755290, 1283993, 1510580, 2567986, 5135972, 6419965, 12839930, 25679860]

約数ペア:

[(1, 25679860), (2, 12839930), (4, 6419965), (5, 5135972), (10, 2567986), (17, 1510580), (20, 1283993), (34, 755290), (47, 546380), (68, 377645), (85, 302116), (94, 273190), (170, 151058), (188, 136595), (235, 109276), (340, 75529), (470, 54638), (799, 32140), (940, 27319), (1598, 16070), (1607, 15980), (3196, 8035), (3214, 7990), (3995, 6428)]