2011497640

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1\times {\mathrm{521}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 4564200960

約数和(自身を除く): 2552703320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 367, 521, 526, 734, 1042, 1052, 1315, 1468, 1835, 2084, 2104, 2605, 2630, 2936, 3670, 4168, 5210, 5260, 7340, 10420, 10520, 14680, 20840, 96521, 137023, 191207, 193042, 274046, 382414, 386084, 482605, 548092, 685115, 764828, 772168, 956035, 965210, 1096184, 1370230, 1529656, 1912070, 1930420, 2740460, 3824140, 3860840, 5480920, 7648280, 50287441, 100574882, 201149764, 251437205, 402299528, 502874410, 1005748820, 2011497640]

約数ペア:

[(1, 2011497640), (2, 1005748820), (4, 502874410), (5, 402299528), (8, 251437205), (10, 201149764), (20, 100574882), (40, 50287441), (263, 7648280), (367, 5480920), (521, 3860840), (526, 3824140), (734, 2740460), (1042, 1930420), (1052, 1912070), (1315, 1529656), (1468, 1370230), (1835, 1096184), (2084, 965210), (2104, 956035), (2605, 772168), (2630, 764828), (2936, 685115), (3670, 548092), (4168, 482605), (5210, 386084), (5260, 382414), (7340, 274046), (10420, 193042), (10520, 191207), (14680, 137023), (20840, 96521)]