80397568

素因数分解:

$2^8\times {\mathrm{509}}^1\times {\mathrm{617}}^1$

素因数の和:1142

約数の個数: 36

約数和(自身を含む): 161056980

約数和(自身を除く): 80659412

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 509, 617, 1018, 1234, 2036, 2468, 4072, 4936, 8144, 9872, 16288, 19744, 32576, 39488, 65152, 78976, 130304, 157952, 314053, 628106, 1256212, 2512424, 5024848, 10049696, 20099392, 40198784, 80397568]

約数ペア:

[(1, 80397568), (2, 40198784), (4, 20099392), (8, 10049696), (16, 5024848), (32, 2512424), (64, 1256212), (128, 628106), (256, 314053), (509, 157952), (617, 130304), (1018, 78976), (1234, 65152), (2036, 39488), (2468, 32576), (4072, 19744), (4936, 16288), (8144, 9872)]