51415120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27943}}^1$

素因数の和:27979

約数の個数: 40

約数和(自身を含む): 124742016

約数和(自身を除く): 73326896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 27943, 55886, 111772, 139715, 223544, 279430, 447088, 558860, 642689, 1117720, 1285378, 2235440, 2570756, 3213445, 5141512, 6426890, 10283024, 12853780, 25707560, 51415120]

約数ペア:

[(1, 51415120), (2, 25707560), (4, 12853780), (5, 10283024), (8, 6426890), (10, 5141512), (16, 3213445), (20, 2570756), (23, 2235440), (40, 1285378), (46, 1117720), (80, 642689), (92, 558860), (115, 447088), (184, 279430), (230, 223544), (368, 139715), (460, 111772), (920, 55886), (1840, 27943)]