26278540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 57435840

約数和(自身を除く): 31157300

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 439, 730, 820, 878, 1460, 1756, 2195, 2993, 4390, 5986, 8780, 11972, 14965, 17999, 29930, 32047, 35998, 59860, 64094, 71996, 89995, 128188, 160235, 179990, 320470, 359980, 640940, 1313927, 2627854, 5255708, 6569635, 13139270, 26278540]

約数ペア:

[(1, 26278540), (2, 13139270), (4, 6569635), (5, 5255708), (10, 2627854), (20, 1313927), (41, 640940), (73, 359980), (82, 320470), (146, 179990), (164, 160235), (205, 128188), (292, 89995), (365, 71996), (410, 64094), (439, 59860), (730, 35998), (820, 32047), (878, 29930), (1460, 17999), (1756, 14965), (2195, 11972), (2993, 8780), (4390, 5986)]