11279120

素因数分解:

$2^4\times 5^1\times {\mathrm{140989}}^1$

素因数の和:141002

約数の個数: 20

約数和(自身を含む): 26224140

約数和(自身を除く): 14945020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 140989, 281978, 563956, 704945, 1127912, 1409890, 2255824, 2819780, 5639560, 11279120]

約数ペア:

[(1, 11279120), (2, 5639560), (4, 2819780), (5, 2255824), (8, 1409890), (10, 1127912), (16, 704945), (20, 563956), (40, 281978), (80, 140989)]