25840940

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9431}}^1$

素因数の和:9577

約数の個数: 24

約数和(自身を含む): 54667872

約数和(自身を除く): 28826932

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 9431, 18862, 37724, 47155, 94310, 188620, 1292047, 2584094, 5168188, 6460235, 12920470, 25840940]

約数ペア:

[(1, 25840940), (2, 12920470), (4, 6460235), (5, 5168188), (10, 2584094), (20, 1292047), (137, 188620), (274, 94310), (548, 47155), (685, 37724), (1370, 18862), (2740, 9431)]