80208416

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 164058048

約数和(自身を除く): 83849632

約数列:

[1, 2, 4, 8, 16, 32, 43, 71, 86, 142, 172, 284, 344, 568, 688, 821, 1136, 1376, 1642, 2272, 3053, 3284, 6106, 6568, 12212, 13136, 24424, 26272, 35303, 48848, 58291, 70606, 97696, 116582, 141212, 233164, 282424, 466328, 564848, 932656, 1129696, 1865312, 2506513, 5013026, 10026052, 20052104, 40104208, 80208416]

約数ペア:

[(1, 80208416), (2, 40104208), (4, 20052104), (8, 10026052), (16, 5013026), (32, 2506513), (43, 1865312), (71, 1129696), (86, 932656), (142, 564848), (172, 466328), (284, 282424), (344, 233164), (568, 141212), (688, 116582), (821, 97696), (1136, 70606), (1376, 58291), (1642, 48848), (2272, 35303), (3053, 26272), (3284, 24424), (6106, 13136), (6568, 12212)]