55266440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72719}}^1$

素因数の和:72749

約数の個数: 32

約数和(自身を含む): 130896000

約数和(自身を除く): 75629560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 72719, 145438, 290876, 363595, 581752, 727190, 1381661, 1454380, 2763322, 2908760, 5526644, 6908305, 11053288, 13816610, 27633220, 55266440]

約数ペア:

[(1, 55266440), (2, 27633220), (4, 13816610), (5, 11053288), (8, 6908305), (10, 5526644), (19, 2908760), (20, 2763322), (38, 1454380), (40, 1381661), (76, 727190), (95, 581752), (152, 363595), (190, 290876), (380, 145438), (760, 72719)]