25314760

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8011}}^1$

素因数の和:8101

約数の個数: 32

約数和(自身を含む): 57686400

約数和(自身を除く): 32371640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8011, 16022, 32044, 40055, 64088, 80110, 160220, 320440, 632869, 1265738, 2531476, 3164345, 5062952, 6328690, 12657380, 25314760]

約数ペア:

[(1, 25314760), (2, 12657380), (4, 6328690), (5, 5062952), (8, 3164345), (10, 2531476), (20, 1265738), (40, 632869), (79, 320440), (158, 160220), (316, 80110), (395, 64088), (632, 40055), (790, 32044), (1580, 16022), (3160, 8011)]