25456816

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20663}}^1$

素因数の和:20689

約数の個数: 40

約数和(自身を含む): 61496064

約数和(自身を除く): 36039248

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 20663, 41326, 82652, 144641, 165304, 227293, 289282, 330608, 454586, 578564, 909172, 1157128, 1591051, 1818344, 2314256, 3182102, 3636688, 6364204, 12728408, 25456816]

約数ペア:

[(1, 25456816), (2, 12728408), (4, 6364204), (7, 3636688), (8, 3182102), (11, 2314256), (14, 1818344), (16, 1591051), (22, 1157128), (28, 909172), (44, 578564), (56, 454586), (77, 330608), (88, 289282), (112, 227293), (154, 165304), (176, 144641), (308, 82652), (616, 41326), (1232, 20663)]