80110420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{308117}}^1$

素因数の和:308139

約数の個数: 24

約数和(自身を含む): 181173384

約数和(自身を除く): 101062964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 308117, 616234, 1232468, 1540585, 3081170, 4005521, 6162340, 8011042, 16022084, 20027605, 40055210, 80110420]

約数ペア:

[(1, 80110420), (2, 40055210), (4, 20027605), (5, 16022084), (10, 8011042), (13, 6162340), (20, 4005521), (26, 3081170), (52, 1540585), (65, 1232468), (130, 616234), (260, 308117)]