86970340

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{31741}}^1$

素因数の和:31887

約数の個数: 24

約数和(自身を含む): 183976632

約数和(自身を除く): 97006292

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 31741, 63482, 126964, 158705, 317410, 634820, 4348517, 8697034, 17394068, 21742585, 43485170, 86970340]

約数ペア:

[(1, 86970340), (2, 43485170), (4, 21742585), (5, 17394068), (10, 8697034), (20, 4348517), (137, 634820), (274, 317410), (548, 158705), (685, 126964), (1370, 63482), (2740, 31741)]