1217925040

素因数分解:

$2^4\times 5^1\times {\mathrm{15224063}}^1$

素因数の和:15224076

約数の個数: 20

約数和(自身を含む): 2831675904

約数和(自身を除く): 1613750864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15224063, 30448126, 60896252, 76120315, 121792504, 152240630, 243585008, 304481260, 608962520, 1217925040]

約数ペア:

[(1, 1217925040), (2, 608962520), (4, 304481260), (5, 243585008), (8, 152240630), (10, 121792504), (16, 76120315), (20, 60896252), (40, 30448126), (80, 15224063)]