320164025

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:662

約数の個数: 36

約数和(自身を含む): 425420688

約数和(自身を除く): 105256663

約数列:

[1, 5, 23, 25, 43, 115, 215, 529, 563, 575, 989, 1075, 2645, 2815, 4945, 12949, 13225, 14075, 22747, 24209, 24725, 64745, 113735, 121045, 297827, 323725, 556807, 568675, 605225, 1489135, 2784035, 7445675, 12806561, 13920175, 64032805, 320164025]

約数ペア:

[(1, 320164025), (5, 64032805), (23, 13920175), (25, 12806561), (43, 7445675), (115, 2784035), (215, 1489135), (529, 605225), (563, 568675), (575, 556807), (989, 323725), (1075, 297827), (2645, 121045), (2815, 113735), (4945, 64745), (12949, 24725), (13225, 24209), (14075, 22747)]