2165125280

素因数分解:

$2^5\times 5^1\times {\mathrm{541}}^1\times {\mathrm{25013}}^1$

素因数の和:25569

約数の個数: 48

約数和(自身を含む): 5124768264

約数和(自身を除く): 2959642984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 541, 1082, 2164, 2705, 4328, 5410, 8656, 10820, 17312, 21640, 25013, 43280, 50026, 86560, 100052, 125065, 200104, 250130, 400208, 500260, 800416, 1000520, 2001040, 4002080, 13532033, 27064066, 54128132, 67660165, 108256264, 135320330, 216512528, 270640660, 433025056, 541281320, 1082562640, 2165125280]

約数ペア:

[(1, 2165125280), (2, 1082562640), (4, 541281320), (5, 433025056), (8, 270640660), (10, 216512528), (16, 135320330), (20, 108256264), (32, 67660165), (40, 54128132), (80, 27064066), (160, 13532033), (541, 4002080), (1082, 2001040), (2164, 1000520), (2705, 800416), (4328, 500260), (5410, 400208), (8656, 250130), (10820, 200104), (17312, 125065), (21640, 100052), (25013, 86560), (43280, 50026)]