28019860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127363}}^1$

素因数の和:127383

約数の個数: 24

約数和(自身を含む): 64191456

約数和(自身を除く): 36171596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127363, 254726, 509452, 636815, 1273630, 1400993, 2547260, 2801986, 5603972, 7004965, 14009930, 28019860]

約数ペア:

[(1, 28019860), (2, 14009930), (4, 7004965), (5, 5603972), (10, 2801986), (11, 2547260), (20, 1400993), (22, 1273630), (44, 636815), (55, 509452), (110, 254726), (220, 127363)]