28089860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{11059}}^1$

素因数の和:11195

約数の個数: 24

約数和(自身を含む): 59458560

約数和(自身を除く): 31368700

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 11059, 22118, 44236, 55295, 110590, 221180, 1404493, 2808986, 5617972, 7022465, 14044930, 28089860]

約数ペア:

[(1, 28089860), (2, 14044930), (4, 7022465), (5, 5617972), (10, 2808986), (20, 1404493), (127, 221180), (254, 110590), (508, 55295), (635, 44236), (1270, 22118), (2540, 11059)]