2105815825

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{4211}}^1$

素因数の和:4545

約数の個数: 24

約数和(自身を含む): 2654267616

約数和(自身を除く): 548451791

約数列:

[1, 5, 25, 83, 241, 415, 1205, 2075, 4211, 6025, 20003, 21055, 100015, 105275, 349513, 500075, 1014851, 1747565, 5074255, 8737825, 25371275, 84232633, 421163165, 2105815825]

約数ペア:

[(1, 2105815825), (5, 421163165), (25, 84232633), (83, 25371275), (241, 8737825), (415, 5074255), (1205, 1747565), (2075, 1014851), (4211, 500075), (6025, 349513), (20003, 105275), (21055, 100015)]