25430405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5081}}^1$

素因数の和:5117

約数の個数: 32

約数和(自身を含む): 40981248

約数和(自身を除く): 15550843

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 5081, 25405, 35567, 55891, 66053, 177835, 279455, 330265, 391237, 462371, 726583, 1956185, 2311855, 3632915, 5086081, 25430405]

約数ペア:

[(1, 25430405), (5, 5086081), (7, 3632915), (11, 2311855), (13, 1956185), (35, 726583), (55, 462371), (65, 391237), (77, 330265), (91, 279455), (143, 177835), (385, 66053), (455, 55891), (715, 35567), (1001, 25405), (5005, 5081)]