71347760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81077}}^1$

素因数の和:81101

約数の個数: 40

約数和(自身を含む): 180966096

約数和(自身を除く): 109618336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81077, 162154, 324308, 405385, 648616, 810770, 891847, 1297232, 1621540, 1783694, 3243080, 3567388, 4459235, 6486160, 7134776, 8918470, 14269552, 17836940, 35673880, 71347760]

約数ペア:

[(1, 71347760), (2, 35673880), (4, 17836940), (5, 14269552), (8, 8918470), (10, 7134776), (11, 6486160), (16, 4459235), (20, 3567388), (22, 3243080), (40, 1783694), (44, 1621540), (55, 1297232), (80, 891847), (88, 810770), (110, 648616), (176, 405385), (220, 324308), (440, 162154), (880, 81077)]