27697960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16889}}^1$

素因数の和:16941

約数の個数: 32

約数和(自身を含む): 63844200

約数和(自身を除く): 36146240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16889, 33778, 67556, 84445, 135112, 168890, 337780, 675560, 692449, 1384898, 2769796, 3462245, 5539592, 6924490, 13848980, 27697960]

約数ペア:

[(1, 27697960), (2, 13848980), (4, 6924490), (5, 5539592), (8, 3462245), (10, 2769796), (20, 1384898), (40, 692449), (41, 675560), (82, 337780), (164, 168890), (205, 135112), (328, 84445), (410, 67556), (820, 33778), (1640, 16889)]