2008155568

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{641}}^1\times {\mathrm{1901}}^1$

素因数の和:2653

約数の個数: 40

約数和(自身を含む): 3936774816

約数和(自身を除く): 1928619248

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 641, 824, 1282, 1648, 1901, 2564, 3802, 5128, 7604, 10256, 15208, 30416, 66023, 132046, 195803, 264092, 391606, 528184, 783212, 1056368, 1218541, 1566424, 2437082, 3132848, 4874164, 9748328, 19496656, 125509723, 251019446, 502038892, 1004077784, 2008155568]

約数ペア:

[(1, 2008155568), (2, 1004077784), (4, 502038892), (8, 251019446), (16, 125509723), (103, 19496656), (206, 9748328), (412, 4874164), (641, 3132848), (824, 2437082), (1282, 1566424), (1648, 1218541), (1901, 1056368), (2564, 783212), (3802, 528184), (5128, 391606), (7604, 264092), (10256, 195803), (15208, 132046), (30416, 66023)]