5580025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 7660224

約数和(自身を除く): 2080199

約数列:

[1, 5, 11, 25, 55, 103, 197, 275, 515, 985, 1133, 2167, 2575, 4925, 5665, 10835, 20291, 28325, 54175, 101455, 223201, 507275, 1116005, 5580025]

約数ペア:

[(1, 5580025), (5, 1116005), (11, 507275), (25, 223201), (55, 101455), (103, 54175), (197, 28325), (275, 20291), (515, 10835), (985, 5665), (1133, 4925), (2167, 2575)]