56553380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{491}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 128447424

約数和(自身を除く): 71894044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 491, 886, 982, 1772, 1964, 2215, 2455, 4430, 4910, 5759, 6383, 8860, 9820, 11518, 12766, 23036, 25532, 28795, 31915, 57590, 63830, 115180, 127660, 217513, 435026, 870052, 1087565, 2175130, 2827669, 4350260, 5655338, 11310676, 14138345, 28276690, 56553380]

約数ペア:

[(1, 56553380), (2, 28276690), (4, 14138345), (5, 11310676), (10, 5655338), (13, 4350260), (20, 2827669), (26, 2175130), (52, 1087565), (65, 870052), (130, 435026), (260, 217513), (443, 127660), (491, 115180), (886, 63830), (982, 57590), (1772, 31915), (1964, 28795), (2215, 25532), (2455, 23036), (4430, 12766), (4910, 11518), (5759, 9820), (6383, 8860)]