12784840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2333}}^1$

素因数の和:2481

約数の個数: 32

約数和(自身を含む): 28988280

約数和(自身を除く): 16203440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2333, 2740, 4666, 5480, 9332, 11665, 18664, 23330, 46660, 93320, 319621, 639242, 1278484, 1598105, 2556968, 3196210, 6392420, 12784840]

約数ペア:

[(1, 12784840), (2, 6392420), (4, 3196210), (5, 2556968), (8, 1598105), (10, 1278484), (20, 639242), (40, 319621), (137, 93320), (274, 46660), (548, 23330), (685, 18664), (1096, 11665), (1370, 9332), (2333, 5480), (2740, 4666)]