28696580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130439}}^1$

素因数の和:130459

約数の個数: 24

約数和(自身を含む): 65741760

約数和(自身を除く): 37045180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130439, 260878, 521756, 652195, 1304390, 1434829, 2608780, 2869658, 5739316, 7174145, 14348290, 28696580]

約数ペア:

[(1, 28696580), (2, 14348290), (4, 7174145), (5, 5739316), (10, 2869658), (11, 2608780), (20, 1434829), (22, 1304390), (44, 652195), (55, 521756), (110, 260878), (220, 130439)]