8154025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 11160000

約数和(自身を除く): 3005975

約数列:

[1, 5, 11, 25, 55, 149, 199, 275, 745, 995, 1639, 2189, 3725, 4975, 8195, 10945, 29651, 40975, 54725, 148255, 326161, 741275, 1630805, 8154025]

約数ペア:

[(1, 8154025), (5, 1630805), (11, 741275), (25, 326161), (55, 148255), (149, 54725), (199, 40975), (275, 29651), (745, 10945), (995, 8195), (1639, 4975), (2189, 3725)]