28197800

素因数分解:

$2^3\times 5^2\times {\mathrm{140989}}^1$

素因数の和:141005

約数の個数: 24

約数和(自身を含む): 65560350

約数和(自身を除く): 37362550

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 140989, 281978, 563956, 704945, 1127912, 1409890, 2819780, 3524725, 5639560, 7049450, 14098900, 28197800]

約数ペア:

[(1, 28197800), (2, 14098900), (4, 7049450), (5, 5639560), (8, 3524725), (10, 2819780), (20, 1409890), (25, 1127912), (40, 704945), (50, 563956), (100, 281978), (200, 140989)]