80100485

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 102412800

約数和(自身を除く): 22312315

約数列:

[1, 5, 19, 95, 199, 223, 361, 995, 1115, 1805, 3781, 4237, 18905, 21185, 44377, 71839, 80503, 221885, 359195, 402515, 843163, 4215815, 16020097, 80100485]

約数ペア:

[(1, 80100485), (5, 16020097), (19, 4215815), (95, 843163), (199, 402515), (223, 359195), (361, 221885), (995, 80503), (1115, 71839), (1805, 44377), (3781, 21185), (4237, 18905)]