40909520

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1901}}^1$

素因数の和:2183

約数の個数: 40

約数和(自身を含む): 95518440

約数和(自身を除く): 54608920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 1901, 2152, 2690, 3802, 4304, 5380, 7604, 9505, 10760, 15208, 19010, 21520, 30416, 38020, 76040, 152080, 511369, 1022738, 2045476, 2556845, 4090952, 5113690, 8181904, 10227380, 20454760, 40909520]

約数ペア:

[(1, 40909520), (2, 20454760), (4, 10227380), (5, 8181904), (8, 5113690), (10, 4090952), (16, 2556845), (20, 2045476), (40, 1022738), (80, 511369), (269, 152080), (538, 76040), (1076, 38020), (1345, 30416), (1901, 21520), (2152, 19010), (2690, 15208), (3802, 10760), (4304, 9505), (5380, 7604)]