54855440

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7069}}^1$

素因数の和:7179

約数の個数: 40

約数和(自身を含む): 128871960

約数和(自身を除く): 74016520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7069, 7760, 14138, 28276, 35345, 56552, 70690, 113104, 141380, 282760, 565520, 685693, 1371386, 2742772, 3428465, 5485544, 6856930, 10971088, 13713860, 27427720, 54855440]

約数ペア:

[(1, 54855440), (2, 27427720), (4, 13713860), (5, 10971088), (8, 6856930), (10, 5485544), (16, 3428465), (20, 2742772), (40, 1371386), (80, 685693), (97, 565520), (194, 282760), (388, 141380), (485, 113104), (776, 70690), (970, 56552), (1552, 35345), (1940, 28276), (3880, 14138), (7069, 7760)]