91681480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{208367}}^1$

素因数の和:208389

約数の個数: 32

約数和(自身を含む): 225037440

約数和(自身を除く): 133355960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 208367, 416734, 833468, 1041835, 1666936, 2083670, 2292037, 4167340, 4584074, 8334680, 9168148, 11460185, 18336296, 22920370, 45840740, 91681480]

約数ペア:

[(1, 91681480), (2, 45840740), (4, 22920370), (5, 18336296), (8, 11460185), (10, 9168148), (11, 8334680), (20, 4584074), (22, 4167340), (40, 2292037), (44, 2083670), (55, 1666936), (88, 1041835), (110, 833468), (220, 416734), (440, 208367)]