91405040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11779}}^1$

素因数の和:11889

約数の個数: 40

約数和(自身を含む): 214725840

約数和(自身を除く): 123320800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 11779, 23558, 47116, 58895, 94232, 117790, 188464, 235580, 471160, 942320, 1142563, 2285126, 4570252, 5712815, 9140504, 11425630, 18281008, 22851260, 45702520, 91405040]

約数ペア:

[(1, 91405040), (2, 45702520), (4, 22851260), (5, 18281008), (8, 11425630), (10, 9140504), (16, 5712815), (20, 4570252), (40, 2285126), (80, 1142563), (97, 942320), (194, 471160), (388, 235580), (485, 188464), (776, 117790), (970, 94232), (1552, 58895), (1940, 47116), (3880, 23558), (7760, 11779)]