1890140360

素因数分解:

$2^3\times 5^1\times {\mathrm{47253509}}^1$

素因数の和:47253520

約数の個数: 16

約数和(自身を含む): 4252815900

約数和(自身を除く): 2362675540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47253509, 94507018, 189014036, 236267545, 378028072, 472535090, 945070180, 1890140360]

約数ペア:

[(1, 1890140360), (2, 945070180), (4, 472535090), (5, 378028072), (8, 236267545), (10, 189014036), (20, 94507018), (40, 47253509)]