2164400860

素因数分解:

$2^2\times 5^1\times {\mathrm{5477}}^1\times {\mathrm{19759}}^1$

素因数の和:25245

約数の個数: 24

約数和(自身を含む): 4546301760

約数和(自身を除く): 2381900900

約数列:

[1, 2, 4, 5, 10, 20, 5477, 10954, 19759, 21908, 27385, 39518, 54770, 79036, 98795, 109540, 197590, 395180, 108220043, 216440086, 432880172, 541100215, 1082200430, 2164400860]

約数ペア:

[(1, 2164400860), (2, 1082200430), (4, 541100215), (5, 432880172), (10, 216440086), (20, 108220043), (5477, 395180), (10954, 197590), (19759, 109540), (21908, 98795), (27385, 79036), (39518, 54770)]