72086380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{189701}}^1$

素因数の和:189729

約数の個数: 24

約数和(自身を含む): 159349680

約数和(自身を除く): 87263300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 189701, 379402, 758804, 948505, 1897010, 3604319, 3794020, 7208638, 14417276, 18021595, 36043190, 72086380]

約数ペア:

[(1, 72086380), (2, 36043190), (4, 18021595), (5, 14417276), (10, 7208638), (19, 3794020), (20, 3604319), (38, 1897010), (76, 948505), (95, 758804), (190, 379402), (380, 189701)]