80420854

素因数分解:

$2^1\times {\mathrm{47}}^2\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:372

約数の個数: 24

約数和(自身を含む): 125128080

約数和(自身を除く): 44707226

約数列:

[1, 2, 47, 94, 109, 167, 218, 334, 2209, 4418, 5123, 7849, 10246, 15698, 18203, 36406, 240781, 368903, 481562, 737806, 855541, 1711082, 40210427, 80420854]

約数ペア:

[(1, 80420854), (2, 40210427), (47, 1711082), (94, 855541), (109, 737806), (167, 481562), (218, 368903), (334, 240781), (2209, 36406), (4418, 18203), (5123, 15698), (7849, 10246)]