54970780

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{2129}}^1$

素因数の和:3429

約数の個数: 24

約数和(自身を含む): 115582320

約数和(自身を除く): 60611540

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2129, 2582, 4258, 5164, 6455, 8516, 10645, 12910, 21290, 25820, 42580, 2748539, 5497078, 10994156, 13742695, 27485390, 54970780]

約数ペア:

[(1, 54970780), (2, 27485390), (4, 13742695), (5, 10994156), (10, 5497078), (20, 2748539), (1291, 42580), (2129, 25820), (2582, 21290), (4258, 12910), (5164, 10645), (6455, 8516)]