28641860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110161}}^1$

素因数の和:110183

約数の個数: 24

約数和(自身を含む): 64775256

約数和(自身を除く): 36133396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 110161, 220322, 440644, 550805, 1101610, 1432093, 2203220, 2864186, 5728372, 7160465, 14320930, 28641860]

約数ペア:

[(1, 28641860), (2, 14320930), (4, 7160465), (5, 5728372), (10, 2864186), (13, 2203220), (20, 1432093), (26, 1101610), (52, 550805), (65, 440644), (130, 220322), (260, 110161)]