38964841775

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 49496832000

約数和(自身を除く): 10531990225

約数列:

[1, 5, 25, 83, 197, 199, 415, 479, 985, 995, 2075, 2395, 4925, 4975, 11975, 16351, 16517, 39203, 39757, 81755, 82585, 94363, 95321, 196015, 198785, 408775, 412925, 471815, 476605, 980075, 993925, 2359075, 2383025, 3253849, 7832129, 7911643, 16269245, 18778237, 39160645, 39558215, 81346225, 93891185, 195803225, 197791075, 469455925, 1558593671, 7792968355, 38964841775]

約数ペア:

[(1, 38964841775), (5, 7792968355), (25, 1558593671), (83, 469455925), (197, 197791075), (199, 195803225), (415, 93891185), (479, 81346225), (985, 39558215), (995, 39160645), (2075, 18778237), (2395, 16269245), (4925, 7911643), (4975, 7832129), (11975, 3253849), (16351, 2383025), (16517, 2359075), (39203, 993925), (39757, 980075), (81755, 476605), (82585, 471815), (94363, 412925), (95321, 408775), (196015, 198785)]