28312420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10333}}^1$

素因数の和:10479

約数の個数: 24

約数和(自身を含む): 59895864

約数和(自身を除く): 31583444

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 10333, 20666, 41332, 51665, 103330, 206660, 1415621, 2831242, 5662484, 7078105, 14156210, 28312420]

約数ペア:

[(1, 28312420), (2, 14156210), (4, 7078105), (5, 5662484), (10, 2831242), (20, 1415621), (137, 206660), (274, 103330), (548, 51665), (685, 41332), (1370, 20666), (2740, 10333)]