9121880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2351}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 20744640

約数和(自身を除く): 11622760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2351, 3880, 4702, 9404, 11755, 18808, 23510, 47020, 94040, 228047, 456094, 912188, 1140235, 1824376, 2280470, 4560940, 9121880]

約数ペア:

[(1, 9121880), (2, 4560940), (4, 2280470), (5, 1824376), (8, 1140235), (10, 912188), (20, 456094), (40, 228047), (97, 94040), (194, 47020), (388, 23510), (485, 18808), (776, 11755), (970, 9404), (1940, 4702), (2351, 3880)]