2556160

素因数分解:

$2^8\times 5^1\times {\mathrm{1997}}^1$

素因数の和:2018

約数の個数: 36

約数和(自身を含む): 6125868

約数和(自身を除く): 3569708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1997, 3994, 7988, 9985, 15976, 19970, 31952, 39940, 63904, 79880, 127808, 159760, 255616, 319520, 511232, 639040, 1278080, 2556160]

約数ペア:

[(1, 2556160), (2, 1278080), (4, 639040), (5, 511232), (8, 319520), (10, 255616), (16, 159760), (20, 127808), (32, 79880), (40, 63904), (64, 39940), (80, 31952), (128, 19970), (160, 15976), (256, 9985), (320, 7988), (640, 3994), (1280, 1997)]