8100125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 11366784

約数和(自身を除く): 3266659

約数列:

[1, 5, 11, 25, 43, 55, 125, 137, 215, 275, 473, 685, 1075, 1375, 1507, 2365, 3425, 5375, 5891, 7535, 11825, 17125, 29455, 37675, 59125, 64801, 147275, 188375, 324005, 736375, 1620025, 8100125]

約数ペア:

[(1, 8100125), (5, 1620025), (11, 736375), (25, 324005), (43, 188375), (55, 147275), (125, 64801), (137, 59125), (215, 37675), (275, 29455), (473, 17125), (685, 11825), (1075, 7535), (1375, 5891), (1507, 5375), (2365, 3425)]