13789520

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1777}}^1$

素因数の和:1887

約数の個数: 40

約数和(自身を含む): 32409384

約数和(自身を除く): 18619864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1777, 1940, 3554, 3880, 7108, 7760, 8885, 14216, 17770, 28432, 35540, 71080, 142160, 172369, 344738, 689476, 861845, 1378952, 1723690, 2757904, 3447380, 6894760, 13789520]

約数ペア:

[(1, 13789520), (2, 6894760), (4, 3447380), (5, 2757904), (8, 1723690), (10, 1378952), (16, 861845), (20, 689476), (40, 344738), (80, 172369), (97, 142160), (194, 71080), (388, 35540), (485, 28432), (776, 17770), (970, 14216), (1552, 8885), (1777, 7760), (1940, 7108), (3554, 3880)]