164409025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{809}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 222976800

約数和(自身を除く): 58567775

約数列:

[1, 5, 11, 25, 55, 275, 739, 809, 3695, 4045, 8129, 8899, 18475, 20225, 40645, 44495, 203225, 222475, 597851, 2989255, 6576361, 14946275, 32881805, 164409025]

約数ペア:

[(1, 164409025), (5, 32881805), (11, 14946275), (25, 6576361), (55, 2989255), (275, 597851), (739, 222475), (809, 203225), (3695, 44495), (4045, 40645), (8129, 20225), (8899, 18475)]