51368840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9239}}^1$

素因数の和:9389

約数の個数: 32

約数和(自身を含む): 116424000

約数和(自身を除く): 65055160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 9239, 18478, 36956, 46195, 73912, 92390, 184780, 369560, 1284221, 2568442, 5136884, 6421105, 10273768, 12842210, 25684420, 51368840]

約数ペア:

[(1, 51368840), (2, 25684420), (4, 12842210), (5, 10273768), (8, 6421105), (10, 5136884), (20, 2568442), (40, 1284221), (139, 369560), (278, 184780), (556, 92390), (695, 73912), (1112, 46195), (1390, 36956), (2780, 18478), (5560, 9239)]