28306940

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10331}}^1$

素因数の和:10477

約数の個数: 24

約数和(自身を含む): 59884272

約数和(自身を除く): 31577332

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 10331, 20662, 41324, 51655, 103310, 206620, 1415347, 2830694, 5661388, 7076735, 14153470, 28306940]

約数ペア:

[(1, 28306940), (2, 14153470), (4, 7076735), (5, 5661388), (10, 2830694), (20, 1415347), (137, 206620), (274, 103310), (548, 51655), (685, 41324), (1370, 20662), (2740, 10331)]