7941025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 10311840

約数和(自身を除く): 2370815

約数列:

[1, 5, 25, 43, 83, 89, 215, 415, 445, 1075, 2075, 2225, 3569, 3827, 7387, 17845, 19135, 36935, 89225, 95675, 184675, 317641, 1588205, 7941025]

約数ペア:

[(1, 7941025), (5, 1588205), (25, 317641), (43, 184675), (83, 95675), (89, 89225), (215, 36935), (415, 19135), (445, 17845), (1075, 7387), (2075, 3827), (2225, 3569)]