40890242

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 66873600

約数和(自身を除く): 25983358

約数列:

[1, 2, 19, 38, 53, 79, 106, 158, 257, 514, 1007, 1501, 2014, 3002, 4187, 4883, 8374, 9766, 13621, 20303, 27242, 40606, 79553, 159106, 258799, 385757, 517598, 771514, 1076059, 2152118, 20445121, 40890242]

約数ペア:

[(1, 40890242), (2, 20445121), (19, 2152118), (38, 1076059), (53, 771514), (79, 517598), (106, 385757), (158, 258799), (257, 159106), (514, 79553), (1007, 40606), (1501, 27242), (2014, 20303), (3002, 13621), (4187, 9766), (4883, 8374)]