4786420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2689}}^1$

素因数の和:2787

約数の個数: 24

約数和(自身を含む): 10168200

約数和(自身を除く): 5381780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2689, 5378, 10756, 13445, 26890, 53780, 239321, 478642, 957284, 1196605, 2393210, 4786420]

約数ペア:

[(1, 4786420), (2, 2393210), (4, 1196605), (5, 957284), (10, 478642), (20, 239321), (89, 53780), (178, 26890), (356, 13445), (445, 10756), (890, 5378), (1780, 2689)]