8285140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21803}}^1$

素因数の和:21831

約数の個数: 24

約数和(自身を含む): 18315360

約数和(自身を除く): 10030220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21803, 43606, 87212, 109015, 218030, 414257, 436060, 828514, 1657028, 2071285, 4142570, 8285140]

約数ペア:

[(1, 8285140), (2, 4142570), (4, 2071285), (5, 1657028), (10, 828514), (19, 436060), (20, 414257), (38, 218030), (76, 109015), (95, 87212), (190, 43606), (380, 21803)]