13406780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35281}}^1$

素因数の和:35309

約数の個数: 24

約数和(自身を含む): 29636880

約数和(自身を除く): 16230100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 35281, 70562, 141124, 176405, 352810, 670339, 705620, 1340678, 2681356, 3351695, 6703390, 13406780]

約数ペア:

[(1, 13406780), (2, 6703390), (4, 3351695), (5, 2681356), (10, 1340678), (19, 705620), (20, 670339), (38, 352810), (76, 176405), (95, 141124), (190, 70562), (380, 35281)]