26984020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{192743}}^1$

素因数の和:192759

約数の個数: 24

約数和(自身を含む): 64761984

約数和(自身を除く): 37777964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 192743, 385486, 770972, 963715, 1349201, 1927430, 2698402, 3854860, 5396804, 6746005, 13492010, 26984020]

約数ペア:

[(1, 26984020), (2, 13492010), (4, 6746005), (5, 5396804), (7, 3854860), (10, 2698402), (14, 1927430), (20, 1349201), (28, 963715), (35, 770972), (70, 385486), (140, 192743)]