72440825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8971}}^1$

素因数の和:9017

約数の個数: 24

約数和(自身を含む): 100127520

約数和(自身を除く): 27686695

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 8971, 44855, 152507, 170449, 224275, 762535, 852245, 2897633, 3812675, 4261225, 14488165, 72440825]

約数ペア:

[(1, 72440825), (5, 14488165), (17, 4261225), (19, 3812675), (25, 2897633), (85, 852245), (95, 762535), (323, 224275), (425, 170449), (475, 152507), (1615, 44855), (8075, 8971)]