1425016760

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{69991}}^1$

素因数の和:70511

約数の個数: 32

約数和(自身を含む): 3212632800

約数和(自身を除く): 1787616040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 20360, 69991, 139982, 279964, 349955, 559928, 699910, 1399820, 2799640, 35625419, 71250838, 142501676, 178127095, 285003352, 356254190, 712508380, 1425016760]

約数ペア:

[(1, 1425016760), (2, 712508380), (4, 356254190), (5, 285003352), (8, 178127095), (10, 142501676), (20, 71250838), (40, 35625419), (509, 2799640), (1018, 1399820), (2036, 699910), (2545, 559928), (4072, 349955), (5090, 279964), (10180, 139982), (20360, 69991)]