28080820

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7351}}^1$

素因数の和:7551

約数の個数: 24

約数和(自身を含む): 59286528

約数和(自身を除く): 31205708

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 7351, 14702, 29404, 36755, 73510, 147020, 1404041, 2808082, 5616164, 7020205, 14040410, 28080820]

約数ペア:

[(1, 28080820), (2, 14040410), (4, 7020205), (5, 5616164), (10, 2808082), (20, 1404041), (191, 147020), (382, 73510), (764, 36755), (955, 29404), (1910, 14702), (3820, 7351)]