40056020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7793}}^1$

素因数の和:8059

約数の個数: 24

約数和(自身を含む): 84455784

約数和(自身を除く): 44399764

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 7793, 15586, 31172, 38965, 77930, 155860, 2002801, 4005602, 8011204, 10014005, 20028010, 40056020]

約数ペア:

[(1, 40056020), (2, 20028010), (4, 10014005), (5, 8011204), (10, 4005602), (20, 2002801), (257, 155860), (514, 77930), (1028, 38965), (1285, 31172), (2570, 15586), (5140, 7793)]