85654780

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{8941}}^1$

素因数の和:9429

約数の個数: 24

約数和(自身を含む): 180270720

約数和(自身を除く): 94615940

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 8941, 9580, 17882, 35764, 44705, 89410, 178820, 4282739, 8565478, 17130956, 21413695, 42827390, 85654780]

約数ペア:

[(1, 85654780), (2, 42827390), (4, 21413695), (5, 17130956), (10, 8565478), (20, 4282739), (479, 178820), (958, 89410), (1916, 44705), (2395, 35764), (4790, 17882), (8941, 9580)]