64450130

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 117936000

約数和(自身を除く): 53485870

約数列:

[1, 2, 5, 10, 139, 199, 233, 278, 398, 466, 695, 995, 1165, 1390, 1990, 2330, 27661, 32387, 46367, 55322, 64774, 92734, 138305, 161935, 231835, 276610, 323870, 463670, 6445013, 12890026, 32225065, 64450130]

約数ペア:

[(1, 64450130), (2, 32225065), (5, 12890026), (10, 6445013), (139, 463670), (199, 323870), (233, 276610), (278, 231835), (398, 161935), (466, 138305), (695, 92734), (995, 64774), (1165, 55322), (1390, 46367), (1990, 32387), (2330, 27661)]