39496420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22189}}^1$

素因数の和:22287

約数の個数: 24

約数和(自身を含む): 83878200

約数和(自身を除く): 44381780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 22189, 44378, 88756, 110945, 221890, 443780, 1974821, 3949642, 7899284, 9874105, 19748210, 39496420]

約数ペア:

[(1, 39496420), (2, 19748210), (4, 9874105), (5, 7899284), (10, 3949642), (20, 1974821), (89, 443780), (178, 221890), (356, 110945), (445, 88756), (890, 44378), (1780, 22189)]