13219160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3407}}^1$

素因数の和:3515

約数の個数: 32

約数和(自身を含む): 30058560

約数和(自身を除く): 16839400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3407, 3880, 6814, 13628, 17035, 27256, 34070, 68140, 136280, 330479, 660958, 1321916, 1652395, 2643832, 3304790, 6609580, 13219160]

約数ペア:

[(1, 13219160), (2, 6609580), (4, 3304790), (5, 2643832), (8, 1652395), (10, 1321916), (20, 660958), (40, 330479), (97, 136280), (194, 68140), (388, 34070), (485, 27256), (776, 17035), (970, 13628), (1940, 6814), (3407, 3880)]