165989080

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{8521}}^1$

素因数の和:9019

約数の個数: 32

約数和(自身を含む): 374286240

約数和(自身を除く): 208297160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 8521, 9740, 17042, 19480, 34084, 42605, 68168, 85210, 170420, 340840, 4149727, 8299454, 16598908, 20748635, 33197816, 41497270, 82994540, 165989080]

約数ペア:

[(1, 165989080), (2, 82994540), (4, 41497270), (5, 33197816), (8, 20748635), (10, 16598908), (20, 8299454), (40, 4149727), (487, 340840), (974, 170420), (1948, 85210), (2435, 68168), (3896, 42605), (4870, 34084), (8521, 19480), (9740, 17042)]