64797380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{41011}}^1$

素因数の和:41099

約数の個数: 24

約数和(自身を含む): 137800320

約数和(自身を除く): 73002940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 41011, 82022, 164044, 205055, 410110, 820220, 3239869, 6479738, 12959476, 16199345, 32398690, 64797380]

約数ペア:

[(1, 64797380), (2, 32398690), (4, 16199345), (5, 12959476), (10, 6479738), (20, 3239869), (79, 820220), (158, 410110), (316, 205055), (395, 164044), (790, 82022), (1580, 41011)]