28538560

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{883}}^1$

素因数の和:1001

約数の個数: 56

約数和(自身を含む): 68708016

約数和(自身を除く): 40169456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 883, 1010, 1616, 1766, 2020, 3232, 3532, 4040, 4415, 6464, 7064, 8080, 8830, 14128, 16160, 17660, 28256, 32320, 35320, 56512, 70640, 89183, 141280, 178366, 282560, 356732, 445915, 713464, 891830, 1426928, 1783660, 2853856, 3567320, 5707712, 7134640, 14269280, 28538560]

約数ペア:

[(1, 28538560), (2, 14269280), (4, 7134640), (5, 5707712), (8, 3567320), (10, 2853856), (16, 1783660), (20, 1426928), (32, 891830), (40, 713464), (64, 445915), (80, 356732), (101, 282560), (160, 178366), (202, 141280), (320, 89183), (404, 70640), (505, 56512), (808, 35320), (883, 32320), (1010, 28256), (1616, 17660), (1766, 16160), (2020, 14128), (3232, 8830), (3532, 8080), (4040, 7064), (4415, 6464)]