664778860

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{35323}}^1$

素因数の和:36273

約数の個数: 24

約数和(自身を含む): 1397558736

約数和(自身を除く): 732779876

約数列:

[1, 2, 4, 5, 10, 20, 941, 1882, 3764, 4705, 9410, 18820, 35323, 70646, 141292, 176615, 353230, 706460, 33238943, 66477886, 132955772, 166194715, 332389430, 664778860]

約数ペア:

[(1, 664778860), (2, 332389430), (4, 166194715), (5, 132955772), (10, 66477886), (20, 33238943), (941, 706460), (1882, 353230), (3764, 176615), (4705, 141292), (9410, 70646), (18820, 35323)]