8277880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15919}}^1$

素因数の和:15943

約数の個数: 32

約数和(自身を含む): 20059200

約数和(自身を除く): 11781320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15919, 31838, 63676, 79595, 127352, 159190, 206947, 318380, 413894, 636760, 827788, 1034735, 1655576, 2069470, 4138940, 8277880]

約数ペア:

[(1, 8277880), (2, 4138940), (4, 2069470), (5, 1655576), (8, 1034735), (10, 827788), (13, 636760), (20, 413894), (26, 318380), (40, 206947), (52, 159190), (65, 127352), (104, 79595), (130, 63676), (260, 31838), (520, 15919)]