26377520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1951}}^1$

素因数の和:1990

約数の個数: 60

約数和(自身を含む): 66442176

約数和(自身を除く): 40064656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 1951, 2704, 3380, 3902, 6760, 7804, 9755, 13520, 15608, 19510, 25363, 31216, 39020, 50726, 78040, 101452, 126815, 156080, 202904, 253630, 329719, 405808, 507260, 659438, 1014520, 1318876, 1648595, 2029040, 2637752, 3297190, 5275504, 6594380, 13188760, 26377520]

約数ペア:

[(1, 26377520), (2, 13188760), (4, 6594380), (5, 5275504), (8, 3297190), (10, 2637752), (13, 2029040), (16, 1648595), (20, 1318876), (26, 1014520), (40, 659438), (52, 507260), (65, 405808), (80, 329719), (104, 253630), (130, 202904), (169, 156080), (208, 126815), (260, 101452), (338, 78040), (520, 50726), (676, 39020), (845, 31216), (1040, 25363), (1352, 19510), (1690, 15608), (1951, 13520), (2704, 9755), (3380, 7804), (3902, 6760)]