4038080

素因数分解:

$2^6\times 5^1\times {\mathrm{12619}}^1$

素因数の和:12636

約数の個数: 28

約数和(自身を含む): 9616440

約数和(自身を除く): 5578360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 12619, 25238, 50476, 63095, 100952, 126190, 201904, 252380, 403808, 504760, 807616, 1009520, 2019040, 4038080]

約数ペア:

[(1, 4038080), (2, 2019040), (4, 1009520), (5, 807616), (8, 504760), (10, 403808), (16, 252380), (20, 201904), (32, 126190), (40, 100952), (64, 63095), (80, 50476), (160, 25238), (320, 12619)]