207928880

素因数分解:

$2^4\times 5^1\times {\mathrm{2599111}}^1$

素因数の和:2599124

約数の個数: 20

約数和(自身を含む): 483434832

約数和(自身を除く): 275505952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2599111, 5198222, 10396444, 12995555, 20792888, 25991110, 41585776, 51982220, 103964440, 207928880]

約数ペア:

[(1, 207928880), (2, 103964440), (4, 51982220), (5, 41585776), (8, 25991110), (10, 20792888), (16, 12995555), (20, 10396444), (40, 5198222), (80, 2599111)]