80991710

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{63773}}^1$

素因数の和:63907

約数の個数: 16

約数和(自身を含む): 146935296

約数和(自身を除く): 65943586

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 63773, 127546, 318865, 637730, 8099171, 16198342, 40495855, 80991710]

約数ペア:

[(1, 80991710), (2, 40495855), (5, 16198342), (10, 8099171), (127, 637730), (254, 318865), (635, 127546), (1270, 63773)]