201680

素因数分解:

$2^4\times 5^1\times {\mathrm{2521}}^1$

素因数の和:2534

約数の個数: 20

約数和(自身を含む): 469092

約数和(自身を除く): 267412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521, 5042, 10084, 12605, 20168, 25210, 40336, 50420, 100840, 201680]

約数ペア:

[(1, 201680), (2, 100840), (4, 50420), (5, 40336), (8, 25210), (10, 20168), (16, 12605), (20, 10084), (40, 5042), (80, 2521)]