61855420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3559}}^1$

素因数の和:3658

約数の個数: 48

約数和(自身を含む): 143539200

約数和(自身を除く): 81683780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 3559, 4345, 7118, 8690, 14236, 17380, 17795, 35590, 39149, 71180, 78298, 156596, 195745, 281161, 391490, 562322, 782980, 1124644, 1405805, 2811610, 3092771, 5623220, 6185542, 12371084, 15463855, 30927710, 61855420]

約数ペア:

[(1, 61855420), (2, 30927710), (4, 15463855), (5, 12371084), (10, 6185542), (11, 5623220), (20, 3092771), (22, 2811610), (44, 1405805), (55, 1124644), (79, 782980), (110, 562322), (158, 391490), (220, 281161), (316, 195745), (395, 156596), (790, 78298), (869, 71180), (1580, 39149), (1738, 35590), (3476, 17795), (3559, 17380), (4345, 14236), (7118, 8690)]