28312040

素因数分解:

$2^3\times 5^1\times {\mathrm{707801}}^1$

素因数の和:707812

約数の個数: 16

約数和(自身を含む): 63702180

約数和(自身を除く): 35390140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 707801, 1415602, 2831204, 3539005, 5662408, 7078010, 14156020, 28312040]

約数ペア:

[(1, 28312040), (2, 14156020), (4, 7078010), (5, 5662408), (8, 3539005), (10, 2831204), (20, 1415602), (40, 707801)]