11956520

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1103}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 27025920

約数和(自身を除く): 15069400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1103, 1355, 2168, 2206, 2710, 4412, 5420, 5515, 8824, 10840, 11030, 22060, 44120, 298913, 597826, 1195652, 1494565, 2391304, 2989130, 5978260, 11956520]

約数ペア:

[(1, 11956520), (2, 5978260), (4, 2989130), (5, 2391304), (8, 1494565), (10, 1195652), (20, 597826), (40, 298913), (271, 44120), (542, 22060), (1084, 11030), (1103, 10840), (1355, 8824), (2168, 5515), (2206, 5420), (2710, 4412)]