120319820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{39841}}^1$

素因数の和:40001

約数の個数: 24

約数和(自身を含む): 254351328

約数和(自身を除く): 134031508

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 39841, 79682, 159364, 199205, 398410, 796820, 6015991, 12031982, 24063964, 30079955, 60159910, 120319820]

約数ペア:

[(1, 120319820), (2, 60159910), (4, 30079955), (5, 24063964), (10, 12031982), (20, 6015991), (151, 796820), (302, 398410), (604, 199205), (755, 159364), (1510, 79682), (3020, 39841)]