2805025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 3716280

約数和(自身を除く): 911255

約数列:

[1, 5, 25, 29, 53, 73, 145, 265, 365, 725, 1325, 1537, 1825, 2117, 3869, 7685, 10585, 19345, 38425, 52925, 96725, 112201, 561005, 2805025]

約数ペア:

[(1, 2805025), (5, 561005), (25, 112201), (29, 96725), (53, 52925), (73, 38425), (145, 19345), (265, 10585), (365, 7685), (725, 3869), (1325, 2117), (1537, 1825)]