838960

素因数分解:

$2^4\times 5^1\times {\mathrm{10487}}^1$

素因数の和:10500

約数の個数: 20

約数和(自身を含む): 1950768

約数和(自身を除く): 1111808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10487, 20974, 41948, 52435, 83896, 104870, 167792, 209740, 419480, 838960]

約数ペア:

[(1, 838960), (2, 419480), (4, 209740), (5, 167792), (8, 104870), (10, 83896), (16, 52435), (20, 41948), (40, 20974), (80, 10487)]