129607540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{59453}}^1$

素因数の和:59571

約数の個数: 24

約数和(自身を含む): 274677480

約数和(自身を除く): 145069940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 59453, 118906, 237812, 297265, 594530, 1189060, 6480377, 12960754, 25921508, 32401885, 64803770, 129607540]

約数ペア:

[(1, 129607540), (2, 64803770), (4, 32401885), (5, 25921508), (10, 12960754), (20, 6480377), (109, 1189060), (218, 594530), (436, 297265), (545, 237812), (1090, 118906), (2180, 59453)]