1326580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3491}}^1$

素因数の和:3519

約数の個数: 24

約数和(自身を含む): 2933280

約数和(自身を除く): 1606700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3491, 6982, 13964, 17455, 34910, 66329, 69820, 132658, 265316, 331645, 663290, 1326580]

約数ペア:

[(1, 1326580), (2, 663290), (4, 331645), (5, 265316), (10, 132658), (19, 69820), (20, 66329), (38, 34910), (76, 17455), (95, 13964), (190, 6982), (380, 3491)]