8155640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3847}}^1$

素因数の和:3911

約数の個数: 32

約数和(自身を含む): 18701280

約数和(自身を除く): 10545640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3847, 7694, 15388, 19235, 30776, 38470, 76940, 153880, 203891, 407782, 815564, 1019455, 1631128, 2038910, 4077820, 8155640]

約数ペア:

[(1, 8155640), (2, 4077820), (4, 2038910), (5, 1631128), (8, 1019455), (10, 815564), (20, 407782), (40, 203891), (53, 153880), (106, 76940), (212, 38470), (265, 30776), (424, 19235), (530, 15388), (1060, 7694), (2120, 3847)]