89393380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{50221}}^1$

素因数の和:50319

約数の個数: 24

約数和(自身を含む): 189839160

約数和(自身を除く): 100445780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 50221, 100442, 200884, 251105, 502210, 1004420, 4469669, 8939338, 17878676, 22348345, 44696690, 89393380]

約数ペア:

[(1, 89393380), (2, 44696690), (4, 22348345), (5, 17878676), (10, 8939338), (20, 4469669), (89, 1004420), (178, 502210), (356, 251105), (445, 200884), (890, 100442), (1780, 50221)]