28931660

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10559}}^1$

素因数の和:10705

約数の個数: 24

約数和(自身を含む): 61205760

約数和(自身を除く): 32274100

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 10559, 21118, 42236, 52795, 105590, 211180, 1446583, 2893166, 5786332, 7232915, 14465830, 28931660]

約数ペア:

[(1, 28931660), (2, 14465830), (4, 7232915), (5, 5786332), (10, 2893166), (20, 1446583), (137, 211180), (274, 105590), (548, 52795), (685, 42236), (1370, 21118), (2740, 10559)]