85604780

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{18691}}^1$

素因数の和:18929

約数の個数: 24

約数和(自身を含む): 180564720

約数和(自身を除く): 94959940

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 18691, 37382, 74764, 93455, 186910, 373820, 4280239, 8560478, 17120956, 21401195, 42802390, 85604780]

約数ペア:

[(1, 85604780), (2, 42802390), (4, 21401195), (5, 17120956), (10, 8560478), (20, 4280239), (229, 373820), (458, 186910), (916, 93455), (1145, 74764), (2290, 37382), (4580, 18691)]