1279689860

素因数分解:

$2^2\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{49871}}^1$

素因数の和:51163

約数の個数: 24

約数和(自身を含む): 2689497216

約数和(自身を除く): 1409807356

約数列:

[1, 2, 4, 5, 10, 20, 1283, 2566, 5132, 6415, 12830, 25660, 49871, 99742, 199484, 249355, 498710, 997420, 63984493, 127968986, 255937972, 319922465, 639844930, 1279689860]

約数ペア:

[(1, 1279689860), (2, 639844930), (4, 319922465), (5, 255937972), (10, 127968986), (20, 63984493), (1283, 997420), (2566, 498710), (5132, 249355), (6415, 199484), (12830, 99742), (25660, 49871)]