108923890

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{28001}}^1$

素因数の和:28397

約数の個数: 16

約数和(自身を含む): 196574040

約数和(自身を除く): 87650150

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 28001, 56002, 140005, 280010, 10892389, 21784778, 54461945, 108923890]

約数ペア:

[(1, 108923890), (2, 54461945), (5, 21784778), (10, 10892389), (389, 280010), (778, 140005), (1945, 56002), (3890, 28001)]