218812492040

素因数分解:

$2^3\times 5^1\times {\mathrm{5470312301}}^1$

素因数の和:5470312312

約数の個数: 16

約数和(自身を含む): 492328107180

約数和(自身を除く): 273515615140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5470312301, 10940624602, 21881249204, 27351561505, 43762498408, 54703123010, 109406246020, 218812492040]

約数ペア:

[(1, 218812492040), (2, 109406246020), (4, 54703123010), (5, 43762498408), (8, 27351561505), (10, 21881249204), (20, 10940624602), (40, 5470312301)]