102840190

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{19739}}^1$

素因数の和:20267

約数の個数: 16

約数和(自身を含む): 185477040

約数和(自身を除く): 82636850

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 19739, 39478, 98695, 197390, 10284019, 20568038, 51420095, 102840190]

約数ペア:

[(1, 102840190), (2, 51420095), (5, 20568038), (10, 10284019), (521, 197390), (1042, 98695), (2605, 39478), (5210, 19739)]