40146784

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 81463536

約数和(自身を除く): 41316752

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 131, 157, 244, 262, 314, 488, 524, 628, 976, 1048, 1256, 1952, 2096, 2512, 4192, 5024, 7991, 9577, 15982, 19154, 20567, 31964, 38308, 41134, 63928, 76616, 82268, 127856, 153232, 164536, 255712, 306464, 329072, 658144, 1254587, 2509174, 5018348, 10036696, 20073392, 40146784]

約数ペア:

[(1, 40146784), (2, 20073392), (4, 10036696), (8, 5018348), (16, 2509174), (32, 1254587), (61, 658144), (122, 329072), (131, 306464), (157, 255712), (244, 164536), (262, 153232), (314, 127856), (488, 82268), (524, 76616), (628, 63928), (976, 41134), (1048, 38308), (1256, 31964), (1952, 20567), (2096, 19154), (2512, 15982), (4192, 9577), (5024, 7991)]