203030720

素因数分解:

$2^6\times 5^1\times {\mathrm{634471}}^1$

素因数の和:634488

約数の個数: 28

約数和(自身を含む): 483467664

約数和(自身を除く): 280436944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 634471, 1268942, 2537884, 3172355, 5075768, 6344710, 10151536, 12689420, 20303072, 25378840, 40606144, 50757680, 101515360, 203030720]

約数ペア:

[(1, 203030720), (2, 101515360), (4, 50757680), (5, 40606144), (8, 25378840), (10, 20303072), (16, 12689420), (20, 10151536), (32, 6344710), (40, 5075768), (64, 3172355), (80, 2537884), (160, 1268942), (320, 634471)]