4390720

素因数分解:

$2^6\times 5^1\times {\mathrm{13721}}^1$

素因数の和:13738

約数の個数: 28

約数和(自身を含む): 10456164

約数和(自身を除く): 6065444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 13721, 27442, 54884, 68605, 109768, 137210, 219536, 274420, 439072, 548840, 878144, 1097680, 2195360, 4390720]

約数ペア:

[(1, 4390720), (2, 2195360), (4, 1097680), (5, 878144), (8, 548840), (10, 439072), (16, 274420), (20, 219536), (32, 137210), (40, 109768), (64, 68605), (80, 54884), (160, 27442), (320, 13721)]