78724510

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 146204352

約数和(自身を除く): 67479842

約数列:

[1, 2, 5, 10, 41, 82, 157, 205, 314, 410, 785, 1223, 1570, 2446, 6115, 6437, 12230, 12874, 32185, 50143, 64370, 100286, 192011, 250715, 384022, 501430, 960055, 1920110, 7872451, 15744902, 39362255, 78724510]

約数ペア:

[(1, 78724510), (2, 39362255), (5, 15744902), (10, 7872451), (41, 1920110), (82, 960055), (157, 501430), (205, 384022), (314, 250715), (410, 192011), (785, 100286), (1223, 64370), (1570, 50143), (2446, 32185), (6115, 12874), (6437, 12230)]