25720870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 30888410

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 83, 95, 133, 166, 190, 233, 266, 415, 466, 581, 665, 830, 1162, 1165, 1330, 1577, 1631, 2330, 2905, 3154, 3262, 4427, 5810, 7885, 8155, 8854, 11039, 15770, 16310, 19339, 22078, 22135, 30989, 38678, 44270, 55195, 61978, 96695, 110390, 135373, 154945, 193390, 270746, 309890, 367441, 676865, 734882, 1353730, 1837205, 2572087, 3674410, 5144174, 12860435, 25720870]

約数ペア:

[(1, 25720870), (2, 12860435), (5, 5144174), (7, 3674410), (10, 2572087), (14, 1837205), (19, 1353730), (35, 734882), (38, 676865), (70, 367441), (83, 309890), (95, 270746), (133, 193390), (166, 154945), (190, 135373), (233, 110390), (266, 96695), (415, 61978), (466, 55195), (581, 44270), (665, 38678), (830, 30989), (1162, 22135), (1165, 22078), (1330, 19339), (1577, 16310), (1631, 15770), (2330, 11039), (2905, 8854), (3154, 8155), (3262, 7885), (4427, 5810)]