25154540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8011}}^1$

素因数の和:8177

約数の個数: 24

約数和(自身を含む): 53167632

約数和(自身を除く): 28013092

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 8011, 16022, 32044, 40055, 80110, 160220, 1257727, 2515454, 5030908, 6288635, 12577270, 25154540]

約数ペア:

[(1, 25154540), (2, 12577270), (4, 6288635), (5, 5030908), (10, 2515454), (20, 1257727), (157, 160220), (314, 80110), (628, 40055), (785, 32044), (1570, 16022), (3140, 8011)]