12720302975

素因数分解:

$5^2\times {\mathrm{233}}^1\times {\mathrm{239}}^1\times {\mathrm{9137}}^1$

素因数の和:9619

約数の個数: 24

約数和(自身を含む): 15908892480

約数和(自身を除く): 3188589505

約数列:

[1, 5, 25, 233, 239, 1165, 1195, 5825, 5975, 9137, 45685, 55687, 228425, 278435, 1392175, 2128921, 2183743, 10644605, 10918715, 53223025, 54593575, 508812119, 2544060595, 12720302975]

約数ペア:

[(1, 12720302975), (5, 2544060595), (25, 508812119), (233, 54593575), (239, 53223025), (1165, 10918715), (1195, 10644605), (5825, 2183743), (5975, 2128921), (9137, 1392175), (45685, 278435), (55687, 228425)]