78021280

素因数分解:

$2^5\times 5^1\times {\mathrm{569}}^1\times {\mathrm{857}}^1$

素因数の和:1441

約数の個数: 48

約数和(自身を含む): 184864680

約数和(自身を除く): 106843400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 569, 857, 1138, 1714, 2276, 2845, 3428, 4285, 4552, 5690, 6856, 8570, 9104, 11380, 13712, 17140, 18208, 22760, 27424, 34280, 45520, 68560, 91040, 137120, 487633, 975266, 1950532, 2438165, 3901064, 4876330, 7802128, 9752660, 15604256, 19505320, 39010640, 78021280]

約数ペア:

[(1, 78021280), (2, 39010640), (4, 19505320), (5, 15604256), (8, 9752660), (10, 7802128), (16, 4876330), (20, 3901064), (32, 2438165), (40, 1950532), (80, 975266), (160, 487633), (569, 137120), (857, 91040), (1138, 68560), (1714, 45520), (2276, 34280), (2845, 27424), (3428, 22760), (4285, 18208), (4552, 17140), (5690, 13712), (6856, 11380), (8570, 9104)]