212126120

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{11971}}^1$

素因数の和:12425

約数の個数: 32

約数和(自身を含む): 478401120

約数和(自身を除く): 266275000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860, 11971, 17720, 23942, 47884, 59855, 95768, 119710, 239420, 478840, 5303153, 10606306, 21212612, 26515765, 42425224, 53031530, 106063060, 212126120]

約数ペア:

[(1, 212126120), (2, 106063060), (4, 53031530), (5, 42425224), (8, 26515765), (10, 21212612), (20, 10606306), (40, 5303153), (443, 478840), (886, 239420), (1772, 119710), (2215, 95768), (3544, 59855), (4430, 47884), (8860, 23942), (11971, 17720)]